Multi Country Study Survey 2000-2001
Syrian Arab Republic, 2000 - 2001
Reference ID
SYR_2000_MCSSL_v01_M
Producer(s)
World Health Organization (WHO)
Created on
Dec 12, 2013
Last modified
Mar 29, 2019
Page views
35843
Downloads
462
- Data files
- syr2
- syr2_mortality
- syr2_roster
specify other health expenditure over last year (q1106ds)
Data file: syr2
Overview
Valid:
1670
Invalid:
0
Type:
Discrete
Start:
1398
End:
1443
Width:
46
Format:
Questions and instructions
Categories
| Value | Category |
|---|---|
| 0 | |
| 1 | |
| 1000 | |
| 10000 | |
| 1200 | |
| 12000 | |
| 1500 | |
| 15000 | |
| 16000 | |
| 200 | |
| 2000 | |
| 2200 | |
| 250 | |
| 2500 | |
| 300 | |
| 3000 | |
| 30000 | |
| 3500 | |
| 38000 | |
| 400 | |
| 4000 | |
| 40000 | |
| 500 | |
| 5000 | |
| 600 | |
| 6000 | |
| 600FOOT CLOT | |
| 62000 | |
| 700 | |
| 7000 | |
| 70000 | |
| 800 | |
| 8000 | |
| 900 | |
| ABIRTH | |
| ABLATING MALEFICENT DISEASE | |
| ABORTING | |
| ABORTION | |
| ABORTION RADIAL PHOTO | |
| ABRITH | |
| ABSCESS SURGERY | |
| ACCEDANT | |
| ACCIDANT | |
| ACCIDENT | |
| ACCIDENT + SURGERY | |
| ACCIDRNT | |
| ACRDIOGRAPHY | |
| ACRIDITY | |
| ACRIDITY FISTRING | |
| ACRIDITY SURGERY | |
| ADRIDITY SURGERY | |
| AID IN HOSAITAL | |
| AMENTIA SON | |
| ANALYSATION AND RAY | |
| ANALYSIS | |
| ANALYSIS + RADIAL PHOTO | |
| ANALYSIS + RDIAL PHOTO | |
| ANALYSIS +DROPSY PUNCTURE | |
| ANALYSIS +ECHO | |
| ANALYSIS +PHOTO | |
| ANALYSIS +RADIAL PHOTO | |
| ANALYSIS+GASTROSCORY | |
| ANALYSIS+PHOTO | |
| ANALYSIS+PHYSICAL THERARY | |
| ANALYSIS+RADIAL PHOTO | |
| ANALYSIS+RADIAL PHPOTO | |
| ANALYSIS+RADIAL PMOTM | |
| ANALYSIS+RADIL PHOTO | |
| ANALYSIS+TEETH TREATMENT | |
| ARM BREAK | |
| ARM PHOYO | |
| ARTICIAL TEETH FILLING | |
| ARTIF ICIAL LIMBS | |
| ASADY HOSPITAL | |
| AUDIOGRAPHY | |
| AUDIOGRAPHY RADIAL PHOTO | |
| AXIAL CLASS | |
| AXIAL CLASS + LEGALIZATION | |
| AXIAL CLASS +LEGALIZATION | |
| AXIAL CLASS - X-RAY PHOTO - TESTS | |
| AXIALCLASS+RADIAL PHOTO+HEARTY CATHETER | |
| AYA-PHOTO + TESTS | |
| BAD ABSORPTION ANALYSIS +OSTEOMALACIA | |
| BAEAK RHEMATISM IN LEG | |
| BARITH | |
| BARRENNESS TREATMENT | |
| BARTH IN HOSPITAL | |
| BIRTH | |
| BIRTH 7500 | |
| BIRTH 3000 | |
| BIRTH +CUTOFF | |
| BIRTH +LEGALIZATION | |
| BIRTH AND FAALING | |
| BIRTH AT HOME | |
| BIRTH BY MIDWIFE | |
| BIRTH DISLOCATEON | |
| BIRTH DISLOCATION | |
| BIRTH DISLOCATONZ | |
| BIRTH MEDICENE | |
| BIRTH RADIAL PHQTQ TESTING | |
| BIRTH-SURGERY | |
| BIRTPLAT MOME | |
| BIRYH | |
| BITTH | |
| BLEEDING | |
| BLOCK SURGERY | |
| BLOOD ANALYSIS | |
| BLUE WATERIN EYE SURGERY | |
| BONES SURGERY | |
| BRAIN TUMOR SURGERY | |
| BRAINGAPHY | |
| BREAK | |
| BREAK IN AEG TONSIL SURGERY | |
| BREAK IN HAND | |
| BREAK IN LEFT LEG | |
| BREAK IN LEG | |
| BREAK SURGERY | |
| BREAKING | |
| BREAKING FOOT | |
| BREANINLEG | |
| BROKEN HAND | |
| BTRTH | |
| BULK SURGERY | |
| BUYING GLASSES | |
| CAESAREAN SURGERY | |
| CAESARIAN | |
| CAESARIAN + PROSTATE SURGERY | |
| CAESARIAN +EAR SURGERY | |
| CAESARIAN SURGERY | |
| CAESATAN SURGERY | |
| CANCER | |
| CANCER SURGERY | |
| CAR ACCIDENT | |
| CARDIO GRAPHY | |
| CARDIOGRAPHY | |
| CARDIOGRAPHY ANALYSIS PHOTO | |
| CARDIOGRAPHY+ECHO+RAYS+ANALYSIS | |
| CATCH COLD | |
| CATHETER | |
| CHANGING LENS | |
| CHILD EYE SURGERY | |
| CLOT+PRESSURE | |
| COLIC | |
| COMP ACTING TEETH | |
| CORNEA INFIX | |
| COSNETIC SURGERY | |
| CURGERV | |
| CURGERY | |
| CYAS | |
| D. ENTIST | |
| DELTOID SURGERY | |
| DENTAL BRIDGE | |
| DENTEST | |
| DENTISIT CLINIC | |
| DENTIST | |
| DENTIST CLINC LEGALZATION | |
| DENTIST CLINIC | |
| DESTIST | |
| DIABETES | |
| DINTEST | |
| DR. TEETH | |
| EAR | |
| EAR SURGERY | |
| ECHO | |
| ECHO THERPEUTIC ABORTION | |
| ECHO + MEGNATIC RINGING | |
| ECHO+LEGALIZATION | |
| EKO PHOTO | |
| ENBULANCE | |
| EX CRES CENCE | |
| EXCEDANT | |
| EXCER SCENCE SURGERY | |
| EXCERSCENCES SURGERY IN NOSE | |
| EXCRE SCENCE SURGERY | |
| EXCRESCECCE AND SET OF TEETH TO MOTHER | |
| EXCRESCENCE | |
| EXCRESCENCE ONSIL SURGERY | |
| EXCRESCENCE SURGERY | |
| EXCRESCENCE SURGERY TONSIL | |
| EXE | |
| EYE LENS SURGERY | |
| EYE SURGERY | |
| EYES SURGERY | |
| FILLING | |
| GASTROS COPY | |
| GASTROSCOPY | |
| GASTROSCOPY CARDIOGRAPHY | |
| GASTROSCORY | |
| GLAND ANALYSIS | |
| GLAND SURGERY | |
| GLAND SURGERY AND TESTING | |
| GLAND SURGERY RDIAL PHOTO LEGALIZATION | |
| GLAND TESTING | |
| GLASS | |
| GLASSES | |
| GLASSES ORTHODONTICS | |
| GRAPHY | |
| GUM SURGERY | |
| GUMS SURGERY | |
| HCHO | |
| HEAR BLOCK | |
| HEARING DIAGRAM | |
| HEARING SET | |
| HEART SURGERY | |
| HEART PLANNING PHOTOGRPHSO | |
| HEART SURGERY | |
| HEART SURGERY IN JORDAN | |
| HEART SURGEY | |
| HEARTPHOTO | |
| HEARTY CATHETER | |
| HEARTY CATHETER OPENING ARTERY SURGERY | |
| HEARTY CATHTER | |
| HEMORRH TOUDS SURGERY | |
| HEMORRHOTDS SURGERY | |
| HEPATITIS EXCRESCENCE + SURGERY | |
| HERNIA | |
| HERNIA (HUSBAND)+CAESARIAN (WIFE) | |
| HERNIA SURGERY | |
| HIGH BLOOD PRESSURE | |
| HOPITAL BREAK INLEG | |
| HOSPETAL | |
| HOSPITAL | |
| HOSPITAL - TESTS - RAYS | |
| HYSTERECTOMY | |
| IKO | |
| INFARCTION | |
| INTESTINE SURGERY | |
| KIDNERY SURGERY TCAESARIAN | |
| KIDNEY DECREASE | |
| KIDNEY INFIX | |
| KIDNEY SURGERY | |
| KIDNY SURGERY | |
| KINDEY SICK AND DIED | |
| LABORATORY | |
| LABORTERY | |
| LASER | |
| LAZER | |
| LEALIZTION | |
| LEG SURGERY | |
| LEGA LIZATION RADIAL PHOTO PHYSICAL THEROPY | |
| LEGABIZALIOR | |
| LEGAL IZATION | |
| LEGALAIZATION | |
| LEGALI ZATION | |
| LEGALIATION + X-RAY | |
| LEGALIZATIO+RADIAL PHOTO | |
| LEGALIZATION | |
| LEGALIZATION PHOTO | |
| LEGALIZATION RADIAL PHOTO | |
| LEGALIZATION + RDIAL PHOTO | |
| LEGALIZATION + CARDIOGRAPHY | |
| LEGALIZATION + DENTIST | |
| LEGALIZATION + PHOTO | |
| LEGALIZATION + RADIAL PHOTO | |
| LEGALIZATION + RADIAL PHOTO +HOSPITAL | |
| LEGALIZATION + RAYS | |
| LEGALIZATION + RDIAL PHOTO | |
| LEGALIZATION + X-RAY PHOT | |
| LEGALIZATION + X-RAY PHOTO | |
| LEGALIZATION +AXIAL CLASS | |
| LEGALIZATION +CAESARTAN | |
| LEGALIZATION +MEGNATIC RINGING | |
| LEGALIZATION +PHORO | |
| LEGALIZATION +PHOT | |
| LEGALIZATION +PHOTO | |
| LEGALIZATION +RADIAL PHOTO | |
| LEGALIZATION +RAYS | |
| LEGALIZATION +RDIAL PHTO | |
| LEGALIZATION +SURGERY | |
| LEGALIZATION +TEETH | |
| LEGALIZATION +TRAVEL | |
| LEGALIZATION +X RAY PHOTO | |
| LEGALIZATION +X-RAY PHOTO | |
| LEGALIZATION CARDIOGRAPHY | |
| LEGALIZATION ECHO | |
| LEGALIZATION PHOTO | |
| LEGALIZATION PHOTO +SURGERY | |
| LEGALIZATION RABIA PHOTO | |
| LEGALIZATION RADIAL PHOTO | |
| LEGALIZATION RDIAL PHOTO | |
| LEGALIZATION SURGERY | |
| LEGALIZATION TPHOTO | |
| LEGALIZATION X RAY PHOTO | |
| LEGALIZATION X-RAY PHOTO | |
| LEGALIZATION+-RAY PHOTO ASSIAL CLASS | |
| LEGALIZATION+PHOTO | |
| LEGALIZATION+RADIAL PHOTO | |
| LEGALIZATION+RADIAL PHOTO+SURGERY | |
| LEGALIZATION+RAYS | |
| LEGALIZATION+X-RAY | |
| LEGALIZATIONN | |
| LEGALIZATIPON | |
| LEGALIZTION | |
| LEGALIZTION +PHOT | |
| LEGALIZTION +RAYS | |
| LEGALIZTION PHYSICAL THERAPY | |
| LEGALTZATION - OHOTO | |
| LEGALYZATION | |
| LEGALYZATION+RADIAL PHOTO | |
| LEGALZATION | |
| LEGATIZATION | |
| LEGLIZATION | |
| LEGZALTZATION | |
| LEGZLIZATION | |
| LENS | |
| LENS + GLASSES | |
| LENS INFIX SURGERY | |
| LIGALIZATION | |
| LIGALIZATION + RAYS | |
| LITHOTRITY | |
| LIVER BAGS SURGERY | |
| LIVER SAC SURGERY | |
| LUMP TESTING | |
| LYZER SURGERY+BREAKING | |
| MAGNETIC RING PHOTO + THERAPEUTIC ABORTION | |
| MAHINI HOSPLTAL | |
| MARTRIX SURGERY | |
| MATIX IRONING SURGERY | |
| MATRIX SURGERY | |
| MEAR BLOCK SURERY TONSIL SURGERY | |
| MEDICENE | |
| MEGNATIC RINGING | |
| MEGNATIC RINGING NERVE GRAPHY | |
| MISCARRIAGE | |
| NASAL SINUSES | |
| NBIRTH | |
| NEEDLE EVERY MONTH | |
| NEPHRECTOMY | |
| NERVE GRAPHY SURGERY ACRIDITY LEGALIZA ION | |
| NERVES DISEASE | |
| NORMAL BIRIH | |
| NOSE ABERRANCE SURGERY | |
| OPERATION | |
| OPERATIONS | |
| OPITCIAN | |
| ORTHODONTICS | |
| ORTHODONTICS SURGERY | |
| OUTGROWTH SURGERY | |
| OUTGROWTH SURGERY + HEAR BLOCK SURGERY | |
| OUTGROWTH SURGERY AND LEGALIZATION | |
| OVARIECTOMY | |
| PAIN IN SPAINAL COLUMN | |
| PHHQTQ | |
| PHISCS THERAPY | |
| PHOTO | |
| PHOTO + LEGALIZATION | |
| PHOTO RADIAL | |
| PHOTO RADIAL + TESTES | |
| PHOTO+HOSPITAL | |
| PHOTOS | |
| PHYSICAL THERAPY | |
| PHYSICAL THERAPY AXIAL CLASS RDIAL PHOTO | |
| PHYSICAL THERARY | |
| PILE SURGERY | |
| PILES SURGERY +NASAL SINUSES | |
| PLATER +SUTURE | |
| POHTO | |
| PREPARING FOR SURGERY | |
| PRIVAT . H | |
| PRIVATE . H | |
| PRIVATE CLINIC | |
| PROSTATE SURGERY | |
| PTING GLASS | |
| PULLING OUT SAC | |
| QUADRIPLEGIA | |
| RADEAL PHOTO | |
| RADIAL | |
| RADIAL OHOTO | |
| RADIAL PGOTO | |
| RADIAL PHOTO | |
| RADIAL PHOTO + ANALYSIS | |
| RADIAL PHOTO + AXIAL CLASS | |
| RADIAL PHOTO + LEGALIZATION | |
| RADIAL PHOTO + LEGALIZATION SURGERY | |
| RADIAL PHOTO +AXIAL CLASS | |
| RADIAL PHOTO +LEGAIZATION | |
| RADIAL PHOTO +LEGALIZATION | |
| RADIAL PHOTO +LEGALIZTION | |
| RADIAL PHOTO +LEGALZATION HOSPITAL | |
| RADIAL PHOTO +TESTING | |
| RADIAL PHOTO +TESTINGS | |
| RADIAL PHOTO ANALYSIS | |
| RADIAL PHOTO AND MOGAAFTIC RING | |
| RADIAL PHOTO AXIAL CASS LEGALIZATION | |
| RADIAL PHOTO AXIAL CLASS | |
| RADIAL PHOTO BIRTH | |
| RADIAL PHOTO EYE SURGERY | |
| RADIAL PHOTO FESTING | |
| RADIAL PHOTO LEGALIZATION | |
| RADIAL PHOTO LEGALIZATION AXIAL CLASS | |
| RADIAL PHOTO LEGALIZATION BIRTH | |
| RADIAL PHOTO MAGNETIC RING | |
| RADIAL PHOTO PHYSICAL THERAPY | |
| RADIAL PHOTO SCHO +LEGALIZATION | |
| RADIAL PHOTO TEATING | |
| RADIAL PHOTO TESING | |
| RADIAL PHOTO TESTING | |
| RADIAL PHOTO TESTINGS | |
| RADIAL PHOTO TESTS | |
| RADIAL PHOTO+ANALYSIS | |
| RADIAL PHOTO+LEGALIZATION | |
| RADIAL PHOTO-TESTING | |
| RADIAL POHTO | |
| RADIL PHOTO | |
| RADIL PHOTO +TESTINGS | |
| RADIOGRAPH | |
| RADYAL PHOTO | |
| RAY PHOTO TESTS AXIAL CLASS | |
| RAYS | |
| RAYS +LEGLIZTION | |
| RDIAL PHOTO LEGALIZATION | |
| RDIAL PHOTO | |
| RDIAL PHOTO + SURGERY | |
| RDIAL PHOTO +DENTIST | |
| REDIAL PHOTO TESTING | |
| RELIEF | |
| RETINA PHOTO | |
| RIGHT EYE SURGERY | |
| RODIAL PHOTO | |
| ROY LACK INCREBRUM | |
| RUPTURNING SURGERY | |
| SAND SURGERY | |
| SAND SURGERY IN KINDY | |
| SARDIOGAPHY | |
| SERGORY | |
| SERGURY | |
| SET OF TEETH | |
| SET OF TEETH + GLASSES | |
| SETOF TEETH | |
| SILHOUETTE | |
| SLIPPED DISK SURGERY | |
| SLIPPED DISK SURGERY + LEGALIZATION | |
| SPLINT | |
| SRRGEY | |
| STOMACH | |
| STOMACH PHOTO | |
| STOMACHWASH | |
| STOPPING BIRTH | |
| SUCCOR | |
| SUEGERY | |
| SUGARY COMA | |
| SUGERY | |
| SUKGERY | |
| SURCERY | |
| SURCERY PHOTO TESTS | |
| SURGARY | |
| SURGEERY TESTING RADIAL PHOTO | |
| SURGERIES | |
| SURGERT PHOTO TESTSTOO | |
| SURGERU | |
| SURGERY | |
| SURGERY (OPEN HEART ) PHOTO +LEGALIZATION | |
| SURGERY + AXIAL CLASS | |
| SURGERY + LEGALIZATION + RADIAL PHOTO | |
| SURGERY + PHOTO + LEGALIZATION | |
| SURGERY + X-RAY PHOTO + GLASSES + LEGALIZATION | |
| SURGERY +LEGALIZATION +PHOTO | |
| SURGERY +PHOTO | |
| SURGERY - PHOTO - TESTS | |
| SURGERY ANALYSIS RADIAL PHOTO | |
| SURGERY ESOPHAGUS | |
| SURGERY FOOT AMPUTATION | |
| SURGERY FOR CUTING CATGUT IN FINGER | |
| SURGERY FOR PINS IN FOOT | |
| SURGERY FOR WIFE | |
| SURGERY GLAND | |
| SURGERY HERNIA RADIAL | |
| SURGERY IN BACK | |
| SURGERY IN EYE | |
| SURGERY IN HEART | |
| SURGERY IN NOSE | |
| SURGERY IN SPAINAL ORTHODONTICS | |
| SURGERY INHEAD | |
| SURGERY LEGALIZATION | |
| SURGERY LEGALIZATION RADIAL PHOTO | |
| SURGERY MIDDLE EAR | |
| SURGERY NASAL SINUSES | |
| SURGERY PILES | |
| SURGERY RADIAL PHOTO | |
| SURGERY RADIAL PHOTO TESTING | |
| SURGERY RADIAL PHOTO TESTS | |
| SURGERY SLIPPEP DISK | |
| SURGERY TESTS RADIAL PHOTO | |
| SURGERY TN BONES | |
| SURGERY TONSIL | |
| SURGERY ULCER+CAESARIAN | |
| SURGERY WATER CYST LEGALIZATION | |
| SURGERY+LEGALIZATION | |
| SURGERY+PHOTO+ANALYSIS | |
| SURGERY+X-RAYS | |
| SURGERYS | |
| SURGEUG | |
| SURGEY | |
| SURGICAL OPEATION | |
| SURGICAL OPERATION | |
| SURGRY | |
| SURGURY | |
| SUROERY | |
| SURQUSY | |
| T | |
| TACT | |
| TAKING OFF SHOULDER CONTACT LENS | |
| TASTING | |
| TASTS - RADIAL - PHOTO | |
| TEEETH | |
| TEEH TREATMENT LEGALIZATION RADIAL PHOTO | |
| TEETH | |
| TEETH TREATMENT | |
| TEETH FENEDICE | |
| TEETH PHOTO | |
| TEETH SURGERY | |
| TEETH TERAPY | |
| TEETH THERAPY | |
| TEETH TREAT MENT | |
| TEETH TREATMENT | |
| TEETH TREATMENT + EYE SURGERY | |
| TEETH TREATMENT + H | |
| TEETH TREATMENT + PHOTO | |
| TEETH TREATMENT LEFGALIZATION | |
| TEETH TREATMENT+PHOTO | |
| TEETH TREATMENT+PHOTO +ANALYSIS | |
| TEETH VIADUCT | |
| TEETH YRATMENT | |
| TEETY JISR | |
| TERAPY | |
| TESES | |
| TESSSTING RADIAL OHOTO | |
| TEST RADIAL PHOTO | |
| TEST TUBE BABY SURGERY | |
| TESTEING + X-RAYS | |
| TESTES | |
| TESTIN +RADIAL PHOTO | |
| TESTING | |
| TESTING RADIAL PHOTO | |
| TESTING + PHOTO | |
| TESTING +PHTO | |
| TESTING +RADIAL PHOTO | |
| TESTING AND X-RAYS | |
| TESTING RADIAL | |
| TESTING RADIAL PHOTO | |
| TESTING RADIAL PHOTO NERVEGRAPHY | |
| TESTING+PHOTOS | |
| TESTING+RADIAL PHOTO | |
| TESTINGS | |
| TESTINGS + ECHO | |
| TESTINGS +ECHO +SURGERY | |
| TESTINGS +OHOTO | |
| TESTINGS +RADIAL PHOTO | |
| TESTINGS +RAYS | |
| TESTINGS PHOTO | |
| TESTINGS+RADIAL PHOTI | |
| TESTNG | |
| TESTNGS | |
| TESTRH | |
| TESTS | |
| TESTS + GASTROSCOPY | |
| TESTS + RADIAL PHOTO | |
| TESTS + RAYS | |
| TESTS + RAYS + CARDIO GRAPHY | |
| TESTS + RYA PHOTO | |
| TESTS + X-RAY PHOTO | |
| TESTS PHOTO | |
| TESTS X-RAY | |
| TESTS+AXIAL CLASS | |
| TESTS+X-PARY PHOTO | |
| TESUINGS | |
| THERAPEUTIC | |
| THERAPEUTIC ABORTION | |
| THERAPEUTIC ABORTION | |
| THERAPEUTIC ABORTION LEGALIZATION | |
| THERAPUTIC ABORTION + LEGALIZATION | |
| THERAPY | |
| THLIL | |
| THRAOEUTIC ABORTION | |
| THYROIDECTOMY + LEGALIZATION + CAESARIAN | |
| TONSIL SURGERY | |
| TONSIL SURGERY | |
| TONSILLECTOMY | |
| TONSILS | |
| TONSILS +COSMETIC SURGERY FOR THE RABBIT LIP | |
| TONSILS SURGERY+MIDDLEEAR SURGERY | |
| TOOTHACHE | |
| TRAVEL | |
| TRAVEL TO DMASCUS | |
| TREATMENT | |
| TUMOR | |
| TUMOR IN PELVIS SURGERY | |
| TUMOR TREATMENT | |
| UCLEAR SURGERY | |
| ULCER +VARICES+LEGALYZATION | |
| ULCER SURGERY | |
| UN KNOWN | |
| URETER HERNIA | |
| URETER HERNIA SURGERY | |
| VARICOSE SURGERY | |
| VARTCOSE SURGERY | |
| VIEWING - ECHO - TESTS - RAYS | |
| VOCAL CORD BLOCK +BRAIN CLOT +MEDICINE | |
| WOMAN SURGERY | |
| X - RAY PHOTO | |
| X - RAY PHOTO FOR HEAD | |
| X - RAYS | |
| X PAYS TESTINJS | |
| X RAYS | |
| X- RAYS | |
| X- RAY PHOTO | |
| X- RAYS TESTING | |
| X-RAY | |
| X-RAY PHOTO | |
| X-RAY PHOTO + LEGALIZATION | |
| X-RAY PHOTO +LEGALIZATION | |
| X-RAY PHOTO+LEGALIZATION | |
| X-RAY+TESTS | |
| X-RAYS | |
| X-RAYS + TESTINGS | |
| X-RAYS +TESTING | |
| X-RAYS+TESTING | |
| XRAYS TESTINGS | |
| Y-RAYS | |
| Y-RYS | |
| YEETH TREATMENT | |
| YESTING Y-RAYS | |
| YONSILS SURGERY | |
| radial photo |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.