Table 1 Comparison of clinical characteristics and follow-up
Clinical index | BO (n = 65) | Non-BO (n = 76) | Z/χ2 | p |
|---|---|---|---|---|
Clinical Characteristics | Â | Â | Â | Â |
 Gender (male/female) | 38/27 | 42/34 | 0.146 | 0.702 |
 Age (years old) | 6.0 (5.0,8.0) | 6.0 (5.0,8.7) |  − 0.382 | 0.703 |
 Fever time (days) | 14.0 (10.0,17.0) | 10.5 (8.0,12.0) |  − 4.296 |  < 0.001 |
 Mixed infection (n %) | 28 (43.1%) | 20 (26.3%) | 4.384 | 0.036 |
 Bacteria (n %) | 8 (12.3%) | 2 (2.6%) | 3.618 | 0.057 |
 EB virus (n %) | 10 (15.4%) | 15 (19.7%) | 0.455 | 0.500 |
 Influenza virus (n %) | 10 (15.4%) | 4 (5.3%) | 4.013 | 0.045 |
 Adenovirus (n %) | 3 (4.6%) | – |  | 0.096* |
Follow-up | Â | Â | Â | Â |
 Chronic cough | 34 (52.3%) | 2 (2.6%) | 42.897 |  < 0.001 |
 Recurrent pneumonia | 6 (9.23%) | 28 (36.8%) | 14.597 |  < 0.001 |
 Recurrent wheezing | 4 (6.2%) | 3 (3.9%) | 0.045 | 0.832 |
 Asymptomatic | 16 (24.6%) | 63 (8.3%) | 48.301 |  < 0.001 |