Demographic and clinical characteristics of presumed bacterial pneumonia cases*
| Cases with hospital controls | Cases with community controls | ||||
|---|---|---|---|---|---|
| Case characteristics | All sites n=1326 | Soweto n=893 | Cape Town n=274 | KwaZulu-Natal n=159 | Soweto n=889 |
| n (%) | n (%) | n (%) | n (%) | n (%) | |
| Age of admission (weeks) | |||||
| Median | 35.0 | 38.0 | 30.0 | 25.0 | 38.0 |
| Mean | 43.1 | 46.4 | 36.0 | 36.3 | 46.0 |
| Range | 8–167 | 8–167 | 8–119 | 8–154 | 8–167 |
| CXR-AC | 1040 (78.4) | 742 (83.1) | 168 (61.3) | 130 (81.8) | 741 (83.4) |
| CRP≥40 +CXR-OI | 286 (21.6) | 151 (16.9) | 106 (38.7) | 26 (17.2) | 148 (16.6) |
| Lower chest indrawing | 666 (52.9) | 274 (32.6) | 235 (89.5) | 157 (100.0) | 273 (32.6) |
| Wheezing | 603 (47.6) | 387 (45.3) | 153 (59.8) | 63 (40.1) | 381 (44.8) |
| Mechanical ventilation | 34 (2.7) | 6 (0.7) | 6 (2.2) | 22 (14.3) | 6 (0.7) |
| Death | 13 (1.0) | 2 (0.2) | 1 (0.4) | 10 (6.3) | 2 (0.2) |
*Missing values excluded from denominators; missing data ranged from 0% to 5%.
CRP, C-reactive protein; CXR-AC, confirmed alveolar consolidation; CXR-OI, chest radiograph with infiltrate other than alveolar consolidation.