Table II.
Patient characteristics at study entry according to virus type
| Characteristic | No. of children (%) |
P value | |||
|---|---|---|---|---|---|
| RSV∗ (n = 145) | RV-A† (n = 24) | RV-C† (n = 73) | Non-RSV/-RV‡ (n = 95) | ||
| Age at study entry (mo), median (range) | 3.7 (23.2) | 13.2 (17.3) | 13.6 (23.5) | 9.8 (23.5) | <.001 |
| Sex: male | 86 (59) | 16 (67) | 46 (63) | 64 (67) | .62 |
| Parental history of asthma | 38 (27) | 3 (13) | 13 (18) | 26 (27) | .22 |
| Prematurity | 19 (14) | 4 (17) | 8 (11) | 14 (15) | .87 |
| Comorbid medical disorder | 8 (6) | 4 (17) | 14 (19) | 12 (13) | .02 |
| History of wheezing | 27 (19) | 14 (58) | 42 (58) | 40 (42) | <.001 |
| History of atopic dermatitis | 30 (21) | 10 (42) | 27 (37) | 33 (35) | .02 |
| Siblings | 67 (81) | 16 (67) | 35 (48) | 118 (71) | <.001 |
| Exposure to smoking during pregnancy or early childhood | 24 (17) | 5 (21) | 6 (9) | 15 (16) | .34 |
| Breast-feeding | 132 (92) | 23 (96) | 67 (92) | 87 (92) | .91 |
| Hospitalization ≥3 d | 60 (41) | 6 (25) | 14 (19) | 24 (25) | .003 |
| ICU stay | 11 (9) | 0 (0) | 0 (0) | 1 (1) | .02 |
| Systemic corticosteroid | 10 (7) | 8 (33) | 27 (37) | 25 (26) | <.001 |
ICU, Intensive care unit.
P values are from Pearson χ2 or Kruskal-Wallis test.
Bold indicates statistical significance (P < .05).
∗
Including coinfection with viruses other than RV.
†
Including coinfection with viruses other than RSV.
‡
Including coinfection with viruses other than RV or RSV.