Table 1. Characteristics and clinical features of patients with PBB and no PBB controls.
| Characteristics | PBB group (n = 50), (%) | No PBB group (n = 16), (%) | p |
|---|---|---|---|
| mean age [months] | 10.00 (5.75–14) | 12 (7–18.5) | >0.05 |
| gender | |||
| male | 43 (86) | 12 (75) | >0.05 |
| female | 7 (14) | 4 (25) | >0.05 |
| symptoms | |||
| wet cough | 50 (100) | 16 (100) | >0.05 |
| wheezing | 45 (90) | 10 (62.5) | <0.01*** |
| stridor | 2 (4) | 1 (6.25) | >0.05 |
| phase of cough | |||
| morning | 8 (16) | 4 (25) | >0.05 |
| night | 8 (16) | 4 (25) | >0.05 |
| both day and night | 32 (64) | 7 (43.8) | <0.05* |
| post-activity | 2 (4) | 1 (6.25) | >0.05 |
| median duration of cough [weeks] | 10.0 ± 16.4 | 15.1 ± 1 6.3 | >0.05 |
| physical examination | |||
| wheezing rales | 41 (82) | 11 (68.7) | >0.05 |
| moist rales | 23 (46) | 9 (56.2) | >0.05 |
P-values < 0.05* and <0.01*** were considered statistically significant.