Table 2. Distribution of pathogen-positive patients among different age groups.
| Pathogen# | 0–3 m (n = 463) * | 4–6 m (n = 575) | 7–12 m (n = 822) | 1–2 y (n = 997) | 3–5 y (n = 856) | 6–10 y (n = 379) | 11–14 y (n = 150) | p value |
| Positive samples | 259 (55.9) | 327 (56.9) | 473 (57.5) | 563 (56.5) | 458 (53.5) | 194 (51.2) | 87 (58) | 0.338 |
| Co-pathogens | 66 (14.3) | 79 (13.7) | 94 (11.4) | 126 (12.6) | 88 (10.3) | 36 (9.5) | 14 (9.3) | 0.117 |
| infA | 45 (9.7) | 47 (8.2) | 71 (8.6) | 79 (7.9) | 110 (12.9) | 33 (8.7) | 43 (28.7) | <0.001 |
| infB | 5 (1.1) | 10 (1.7) | 24 (2.9) | 30 (3) | 47 (5.5) | 23 (6.1) | 16 (10.7) | <0.001 |
| RSV | 153 (33) | 168 (29.2) | 179 (21.8) | 186 (18.7) | 62 (7.2) | 13 (3.4) | 7 (4.7) | <0.001 |
| EV | 29 (6.3) | 31 (5.4) | 50 (6.1) | 109 (10.9) | 70 (8.2) | 16 (4.2) | 8 (5.3) | <0.001 |
| ADV | 15 (3.2) | 14 (2.4) | 30 (3.6) | 49 (4.9) | 77 (9) | 26 (6.9) | 2 (1.3) | <0.001 |
| PIV1 | 4 (0.9) | 10 (1.7) | 21 (2.6) | 14 (1.4) | 12 (1.4) | 5 (1.3) | 1 (0.7) | 0.239 |
| PIV2 | 7 (1.5) | 16 (2.8) | 9 (1.1) | 9 (0.9) | 8 (0.9) | 2 (0.5) | 0 (0) | 0.009 |
| PIV3 | 17 (3.7) | 35 (6.1) | 42 (5.1) | 26 (2.6) | 16 (1.9) | 4 (1.1) | 0 (0) | <0.001 |
PIV4
|
0 (0) | 2 (0.3) | 0 (0) | 4 (0.4) | 4 (0.5) | 1 (0.3) | 0 (0) | – |
229E
|
5 (1.1) | 4 (0.7) | 9 (1.1) | 10 (1) | 6 (0.7) | 3 (0.8) | 0 (0) | – |
| OC43 | 9 (1.9) | 17 (3) | 33 (4) | 43 (4.3) | 18 (2.1) | 13 (3.4) | 5 (3.3) | 0.077 |
NL63
|
5 (1.1) | 6 (1) | 10 (1.2) | 5 (0.5) | 7 (0.8) | 5 (1.3) | 1 (0.7) | – |
HKU1
|
1 (0.2) | 0 (0) | 5 (0.6) | 3 (0.3) | 6 (0.7) | 1 (0.3) | 1 (0.7) | – |
| HBoV | 6 (1.3) | 18 (3.1) | 42 (5.1) | 44 (4.4) | 12 (1.4) | 2 (0.5) | 1 (0.7) | <0.001 |
| HMPV | 8 (1.7) | 24 (4.2) | 33 (4) | 53 (5.3) | 47 (5.5) | 6 (1.6) | 2 (1.3) | 0.001 |
| MP | 11 (2.4) | 17 (3) | 28 (3.4) | 59 (5.9) | 60 (7) | 76 (20.1) | 16 (10.7) | <0.001 |
CP
|
15 (3.2) | 0 (0) | 3 (0.4) | 1 (0.1) | 0 (0) | 4 (1.1) | 0 (0) | – |
No. (%) of each group except where specifically stated.
#
229E: human coronavirus 229E, OC43: human coronavirus OC43, NL63: human coronavirus NL63, HKU1: human coronavirus HKU1.
*m: month(s); y: year(s).
Not done because of the small number of positive samples obtained.