Table 2 Demographic and clinical features in PBB with or without airway deformity.
From: Clinical characteristics of protracted bacterial bronchitis in Chinese infants
Characteristics | no airway deformity (n = 28), n (%) | airway deformity (n = 22) n (%) | p |
|---|---|---|---|
mean age [months] | 12 (7.25–16.75) | 8 (5–10) | <0.05* |
gender | |||
male | 23 (82.1) | 20 (90.9) | >0.05 |
female | 5 (17.9) | 2 (9.1) | >0.05 |
symptom | |||
cough | 28 (100) | 22 (100) | >0.05 |
wheezing | 23 (82.1) | 20 (90.9) | >0.05 |
stridor | 0 (0) | 2 (28.6) | <0.05* |
phase of cough | |||
in the morning | 6 (21.4) | 2 (9.1) | >0.05 |
at night | 5 (17.9) | 3 (13.6) | >0.05 |
both day and night | 17 (60.7) | 15 (68.2) | >0.05 |
post-activity | 0 (0) | 2 (9.1) | >0.05 |
median duration of cough [days] | 9.1 ± 13.7 | 11.3 ± 19.6 | >0.05 |
physical examination | |||
lung wheezing rales | 23 (82.1) | 18 (79.6 ) | >0.05 |
lung moist rales | 11 (39.2) | 12 (9.3) | >0.05 |
cellularity of BALF | |||
neutrophil (%) | 26.0 ± 32.15 | 33.3 ± 27.6 | >0.05 |
lymphocyte (%) | 7.2 ± 6.4 | 9.1 ± 6.6 | >0.05 |
macrophage (%) | 64.2 ± 34.2 | 56.9 ± 31.0 | >0.05 |
eosinophil (%) | 2.6 ± 13.2 | 0.60 ± 2.0 | >0.05 |
positive bacterial cultures of BALF | 11 (39.3) | 8 (36.4) | >0.05 |
Streptococcus pneumoniae | 5 (17.9) | 4 (18.2) | >0.05 |
Haemophilus influenzae | 5 (17.9) | 1 (4.5) | >0.05 |
E. coli | 1 (3.6) | 1 (4.5) | >0.05 |
Andenteroaerogen | 0 (0) | 1 (4.5) | >0.05 |
Filamentous fungi | 0 (0) | 1 (4.5) | >0.05 |
immunoglobulins (g/l) | |||
IgA | 0.3 ± 0.3 | 0.3 ± 0.3 | >0.05 |
IgG | 5.4 ± 2.0 | 6.0 ± 2.6 | >0.05 |
IgM | 1.2 ± 0.6 | 0.9 ± 0.4 | >0.05 |
lymphocyte subsets (%) | |||
CD3+ | 60.0 ± 10.7 | 58.3 ± 13.5 | >0.05 |
CD3+CD4+ | 35.1 ± 9.1 | 34.2 ± 12.5 | >0.05 |
CD4+CD8+ | 22.0 ± 7.6 | 21.9 ± 7.6 | >0.05 |
CD3−CD19+ | 29.1 ± 10.9 | 26.8 ± 11.4 | >0.05 |
CD3−CD16+CD56+ | 9.0 ± 6.3 | 12.9 ± 9.1 | >0.05 |
CD19+CD23+ | 14.0 ± 6.3 | 13.6 ± 6.1 | >0.05 |
