Table 3 BALF cytology and immune function of patients with PBB and controls.
From: Clinical characteristics of protracted bacterial bronchitis in Chinese infants
Characteristics | PBB group (n = 50), n (%) | No PBB group (n = 16), n (%) | p |
---|---|---|---|
cellularity of BALF | |||
neutrophil (%) | 29.2 ± 30.2 | 2.9 ± 3.5 | <0.01** |
lymphocyte (%) | 8.1 ± 6.5 | 8.4 ± 4.3 | >0.05 |
macrophage (%) | 61.0 ± 32.7 | 88.7 ± 3.6 | <0.01** |
eosinophil (%) | 1.7 ± 9.9 | 0.00 ± 0.00 | >0.05 |
positive bacterial cultures of BALF | 19 (38) | 0 (0) | <0.05* |
airway deformity | 22 (44) | 10 (62.5) | >0.05 |
immunoglobulins (g/L) | |||
IgA | 0.3 ± 0.3 | 0.5 ± 0.6 | >0.05 |
IgG | 5.65 ± 2.3 | 6.0 ± 2.2 | >0.05 |
IgM | 1.1 ± 0.6 | 1.2 ± 0.7 | >0.05 |
lymphocyte subsets (%) | |||
CD3+ | 59.3 ± 11.9 | 68.6 ± 4.25 | <0.01** |
CD3+CD4+ | 34.7 ± 10.6 | 42.5 ± 6.8 | <0.01** |
CD4+CD8+ | 1.9 ± 1.3 | 2.1 ± 1.0 | >0.05 |
CD3−CD19+ | 28.1 ± 11.1 | 23.2 ± 5.05 | <0.05* |
CD3−CD16+CD56+ | 10.75 ± 7.8 | 7.45 ± 3.7 | <0.05* |
CD19+CD23+ | 13.9 ± 6.2 | 5.4 ± 2.65 | <0.01** |