Table 1. Comparison of clinical characteristics among different groups of children with acute respiratory infections, Gansu Province, China*.
| Characteristic | Group 1, n = 3 | Group 2, n = 7 | Group 3, n = 6 | Group 4, n = 12 | p values |
||
|---|---|---|---|---|---|---|---|
| Group 1 vs. Group 2 | Group 3 vs. Group 4 | Group 1 vs. Group 3 | |||||
| Male sex | 3 (100) | 6 (85.7) | 3 (50) | 8 (66.7) | 0.499† | 0.145† | 1.000† |
| Age <3 y | 3 (100) | 6 (85.7) | 6 (100) | 10 (83.3) | 1.000† | 0.307† | 1.000† |
| Median duration of hospitalization, d (range) | 11.3 (4–23) | 9 (8–11) | 7.8 (6–10) | 10.3 (5–20) | 0.492† | 0.187‡ | 1.000‡ |
| No. underlying diseases |
2 |
1 |
0 |
1 |
0.183† |
|
|
| Clinical diagnosis | |||||||
| AURI | 1 (33.3) | 0 | 0 | 1 (8.3) | |||
| Suppurative tonsillitis | 0 | 0 | 0 | 1(8.3) | |||
| Acute asthmatic bronchopneumonia | 1 (33.3) | 4 (57.1) | 4 (66.7) | 7 (58.3) | 0.500§ | 0.572§ | 0.405§ |
| Bronchopneumonia | 1 (33.3) | 1 (14.3) | 2 (33.3) | 3 (25.0) | 0.533§ | 0.561§ | 0.774§ |
| Acute bronchitis |
0 |
2 (28.6) |
0 |
0 |
|
|
|
| Clinical signs | |||||||
| Fever | 2 (66.7) | 5 (71.4) | 2 (33.3) | 7 (58.3) | 0.708§ | 0.310§ | 0.405§ |
| Cough | 2 (66.7) | 5 (71.4) | 5 (83.3) | 10 (83.3) | 0.708§ | 0.730§ | 0.583§ |
| Wheeze | 1 (33.3) | 4 (57.1) | 4 (66.7) | 7 (58.3) | 1.000§ | 0.572§ | 0.405§ |
| Rhinorrhea | 2 (66.7) | 2 (28.6) | 2 (33.3) | 5 (41.7) | 0.500§ | 0.572§ | 0.405§ |
| Sputum production | 1 (33.3) | 5 (71.4) | 5 (83.3) | 4 (33.3) | 0.500§ | 0.066§ | 0.226§ |
| Crackles | 2 (66.7) | 6 (85.7) | 6 (100) | 7 (58.3) | 1.000§ | ||
| Vomiting | 0 | 1 (14.3) | 1 (16.7) | 0 | |||
| Diarrhea | 2 (66.7) | 1 (14.3) | 1 (16.7) | 1 (8.3) | 0.183§ | 0.569§ | 0.226§ |
*Values are no. (%) children except as indicated. HBoV, human bocavirus; AURI, acute upper respiratory tract infection. Group 1, HBoV2 monoinfection; Group 2, HBoV2 co-infection; Group 3, HBoV1 monoinfection; Group 4, HBoV1 co-infection. †By χ2 test. ‡By Mann-Whitney test. §By Fisher exact test.