Table 1

Distribution of diagnoses according to WHO ICD-10 classification system

ICD-10 chapterDiagnosis groupnPer cent (95% CI)
Chapter ICertain infectious and parasitic diseases(A00–B99)1800.56 (0.48 to 0.64)
Chapter IVEndocrine, nutritional and metabolic diseases(E00–E90)8692.70 (2.52 to 2.88)
Chapter VMental and behavioural disorders(F00–F99)7932.46 (2.30 to 2.64)
Chapter VIDiseases of the nervous system(G00–G99)8302.58 (2.41 to 2.76)
Chapter IXDiseases of the circulatory system(I00–I99)623419.36 (18.93 to 19.79)
Chapter XDiseases of the respiratory system(J00–J99)28678.90 (8.59 to 9.22)
Chapter XIDiseases of the digestive system(K00–K93)3901.21 (1.09 to 1.34)
Chapter XIIIDiseases of the musculoskeletal system and connective tissue(M00–M99)2620.81 (0.72 to 0.97)
Chapter XIVDiseases of the genitourinary system(N00–N99)600.19 (0.14 to 0.24)
Chapter XVPregnancy, childbirth and the puerperium(O00–O99)970.30 (0.24 to 0.37)
Chapter XVICertain conditions originating in the perinatal period(P00–P96)130.04 (0.02 to 0.07)
Chapter XVIIISymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified(R00–R99)767723.84 (23.38 to 24.31)
Chapter XIXInjury, poisoning and certain other consequences of external causes(S00–T98)479014.87 (14.49 to 15.27)
Chapter XXIFactors influencing health status and contact with health services(Z00–Z99)714022.17 (21.72 to 22.63)
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