Table 4.

Causes of hospitalization in discordant pairs of cases identified as hospitalized CAP in any data source in children aged 2–23 months, Goiânia, Brazil, January–December 2012

Group of causes (ICD-10)	CAP diagnosis by SIH-SUS and non-CAP by APS (N = 305) n (%)	CAP diagnosis by APS and non-CAP by SIH-SUS (N = 185) n (%)
I. Certain infectious and parasitic diseases (A00–B99)	6 (2·0)	29 (15·7)
IV. Endocrine, nutritional and metabolic diseases (E00–E90)	4 (1·3)	7 (3·8)
X. Diseases of respiratory system (J00–J99)*	273 (89·5)	125 (67·6)
XIV. Diseases of genitourinary system (N00–N99)	4 (1·3)	3 (1·6)
IX. Diseases of circulatory system (I00–I99)	3 (1·0)	1 (0·5)
Other causes†	15 (4·9)	20 (10·8)

ICD-10, International Classification of Diseases, 10th Revision; CAP, community-acquired pneumonia; SIH-SUS, Hospital Information System of National Unified Health System; APS, active prospective population-based surveillance.

^*Except for CAP (ICD-10: J12-18).

^†Diseases of digestive system (ICD-10: K00–K93); diseases of nervous system (ICD-10 G00–G99); diseases of skin and subcutaneous tissue (ICD-10: L00–L99); congenital malformation and chromosomal abnormalities (ICD-10: Q00–Q99); injury, poisoning, and certain other consequences of external causes (ICD-10: S00–T98); external causes of morbidity and mortality (ICD-10: V01–Y98); factors influencing health status and contact with health services (ICD-10: Z00–Z99).