Table 4.
Factors associated with nosocomial respiratory syncytial virus (RSV) infection among 377 children screened for (RSV) infection >72 hours after admission
| Non-nosocomial (n = 352) | Nosocomial (n = 25) | P value | |
|---|---|---|---|
| Median week from admission | 3 (2–4) | ||
| Male (%) | 65·9 (230/349) | 60·0 (15/25) | 0·664 |
| Age (weeks, median) | 16·2 (8·8–43·5) | 9·0 (6·5–14·7) | 0·001 |
| Preterm birth (<37 weeks) | 26·8 (94/351) | 44 (11/25) | 0·103 |
| Birthweight (kg) | 2·7 (2·2–3·0) | 2·5 (2·2–3·1) | 0·113 |
| Previous hospitalization (%) | 40·2 (140/348) | 56 (14/25) | 0·143 |
| Within previous 14 days (%) | 28·1 (99/352) | 40 (10/25) | 0·370 |
| Transfer from other ward (%) | 46·9 (165/352) | 60·0 (15/25) | 0·220 |
| Pre-existing illness (%) | 34·8 (122/351) | 32 (8/25) | 0·832 |
| Duration of hospitalization (days) | 7·0 (5·0–13·0) | 21·0 (12·0–30·0) | 0·000 |
| Outcome other than full recovery (%) | 16·8 (59/352) | 52·0 (13/25) | 0·000 |
| Deaths | 2·6 (9/352) | 16·0 (4/25) | 0·007 |
| Laboratory tests | |||
| Hemoglobin (g/dl) | 10·7 (9·8–11·5) | 10·3 (9·2–11·5) | 0·318 |
| Hematocrit (%) | 32·3 (30·1–35·3) | 30·8 (27·4–33·5) | 0·071 |
| Leukocytes (×1000/μl) | 14·0 (10·7–17·1) | 13·0 (9·6–16·4) | 0·313 |
| Neutrophils (%) | 49·5 (31·9–61·2) | 32·0 (26·0–44·8) | 0·001 |
| Lymphocytes (%) | 39·7 (28·1–56·1) | 53·7 (45·7–65·2) | 0·002 |
| Platelets (×1000/μl) | 311·0 (210·0–425·0) | 268·0 (185·5–412·0) | 0·230 |