Table 4 Comparison of participant characteristics between two COPD groups in 142 males with smoking
Variables | Group with elevated serum T-IgE (75 cases) | Group with normal serum T-IgE (67 cases) | P value |
|---|---|---|---|
Age (yr) | 75(10,54 ~ 90) | 77(7,58 ~ 89) | 0.19 |
Smoking index (pack-yr) | 48(22,10 ~ 100) | 48(25,10 ~ 120) | 0.85 |
Chronic cough/sputum history (yr) | 18(13,2 ~ 45) | 19(12,2 ~ 40) | 0.56 |
Dyspnea history (yr) | 7.7(5.3,1 ~ 20) | 3.7(3.7,0 ~ 20) | <0.01 |
Ratio of dyspnea history to chronic cough/sputum history | 0.49(0.20,0.07 ~ 1) | 0.19(0.14,0 ~ 0.5) | <0.01 |
Occurrence of wheezing, n(%) | 65(87) | 45(67) | <0.01 |
FEV1/FVC% | 44(11,23 ~ 67) | 48(11,22 ~ 69) | 0.03 |
FEV1%predicted | 37(12,14 ~ 68) | 44(14,20 ~ 79) | <0.01 |
GOLD stage | Â | Â | <0.01 |
Stage II, n(%) | 12(16.0) | 22(32.8) | Â |
Stage III, n(%) | 37(49.3) | 35(52.2) | Â |
Stage IV, n(%) | 26(34.7) | 10(14.9) | Â |