Table 1. Baseline characteristics of children in study of pneumonia hospitalizations after severe LRTI in infancy, by study group, at time of first admission in Kilifi District Hospital, coastal Kenya, April 16, 2002–May 31, 2010*.
| Characteristics | Initial hospitalization |
||
|---|---|---|---|
| RSV LRTI, n = 560 | Other LRTI, n = 1,140 | Non-LRTI, n = 1,113 | |
| Male | 296 (52.9) | 646 (56.7) | 607 (54.5) |
| Median age, mo (IQR) | 3.7 (1.9–6.6) | 4.6 (2.1–7.7) | 4.7 (0.3–8.6) |
| Children age <3 mo | 241 (43.0) | 406 (35.6) | 489 (43.9) |
| Median hospital stay, d (IQR) | 4 (3–5) | 3 (2–5) | 4 (2–6) |
| Malaria† | 9 (1.6) | 114 (10.0) | 147 (13.2) |
| Gastroenteritis | 34 (6.1) | 140 (12.3) | 338 (30.4) |
| Pneumonia with wheeze | 95 (17.0) | 125 (11.0) | NA |
| Bacteremia, no./n (%) | 7/545 (1.3) | 33/1,109 (3.0) | 33/1,053 (3.1) |
| Admission to high-dependency unit | 18 (3.2) | 89 (7.8) | 79 (7.1) |
| Good hospital access | 326 (59.5) | 621 (55.4) | 636 (58.6) |
| Hypoxia | 44 (7.9) | 95 (8.3) | 17 (1.5) |
*Values are no. (%) except as indicated. Boldface indicates statistical significance in the respective group relative to the non-LRTI group. RSV, respiratory syncytial virus; LRTI, lower respiratory tract infection; IQR, interquartile range; NA, not applicable. †Indicates blood slide testing positive for malaria parasites.