TABLE 2.
Age and sex distributions of virus-infected children
| Virus | Inpatients
|
Outpatients
|
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. (%) of isolations from patients of age:
|
Male/female ratioa | No. (%) of isolations from patients of age:
|
Male/female ratiob | |||||||||||||||
| <6 mo | 6 mo–1 yr | 1–3 yr | 3–6 yr | 6–10 yr | >10 yr | Unknown | Total | <6 mo | 6 mo–1 yr | 1–3 yr | 3–6 yr | 6–10 yr | >10 yr | Unknown | Total | |||
| Influenza A virus | 3 (6.0) | 9 (18.0) | 21 (42.0) | 10 (20.0) | 4 (8.0) | 1 (2.0) | 2 | 50 | 2.7c | 13 (3.9) | 20 (6.0) | 81 (24.3) | 94 (28.1) | 50 (14.9) | 28 (8.3) | 48 | 334 | 1.2 |
| Influenza B virus | 0 | 0 | 7 (29.2) | 8 (33.3) | 9 (37.5) | 0 | 0 | 24 | 1.4 | 0 | 1 (0.6) | 16 (10.2) | 42 (26.8) | 57 (36.3) | 13 (8.3) | 28 | 157 | 1.4 |
| Parainfluenza virus 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 3.0 | 4 (8.0) | 1 (2.0) | 21 (40.3) | 21 (40.3) | 3 (6.0) | 0 | 0 | 50 | 1.6 |
| Parainfluenza virus 2 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 3 | 2 | 1 | 1 | 7 | 7 | 1 | 0 | 2 | 19 | 0.4 |
| Parainfluenza virus 3 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 6 | 1 | 2 (3.6) | 10 (17.9) | 30 (53.6) | 10 (17.9) | 1 (1.8) | 0 | 3 | 56 | 1.4 |
| Adenovirus | 4 (5.8) | 6 (8.7) | 28 (40.6) | 20 (29.0) | 4 (5.8) | 2 (2.9) | 5 | 69 | 2.1 | 4 (1.9) | 20 (9.6) | 77 (37.0) | 60 (28.8) | 25 (12.0) | 3 (1.4) | 19 | 208 | 1.5 |
| RSV | 45 (48.9) | 22 (23.9) | 21 (22.8) | 4 (4.3) | 0 | 0 | 0 | 92 | 2.8d | 2 (8.3) | 3 (10.7) | 15 (53.6) | 4 (14.3) | 3 (10.7) | 0 | 1 | 28 | 1 |
| Enterovirus | 45 (21.1) | 31 (14.6) | 81 (38.0) | 36 (16.9) | 13 (6.1) | 2 (0.9) | 5 | 213 | 1.4 | 14 (2.0) | 56 (8.3) | 322 (47.6) | 178 (26.3) | 52 (7.7) | 15 (2.2) | 39 | 676 | 1.5 |
| HSV-1 | 1 (1.6) | 2 (3.2) | 35 (55.6) | 9 (14.3) | 8 (12.7) | 5 (7.9) | 5 | 63 | 1.1 | 2 (0.8) | 16 (6.6) | 135 (55.3) | 45 (18.4) | 27 (11.7) | 7 (2.9) | 12 | 244 | 1.1 |
| No. (%) positive | 98 (18.7) | 72 (13.8) | 197 (37.7) | 90 (17.2) | 38 (7.3) | 10 (1.9) | 18 (3.4) | 523 | 42 (2.4) | 128 (7.2) | 704 (39.7) | 461 (26.0) | 219 (12.4) | 66 (3.7) | 152 (8.6) | 1,772 | ||
a
Mean, 1.77.
b
Mean, 1.3.
c
P < 0.05.
d
P < 0.025.