< 2 exacerbation per year (n = 1230) | ≥ 2 exacerbations per year (n = 327) | P- value | |
---|---|---|---|
BMI (kg/m2), n | 890 (27.16) | 229 (26.28) | 0.55 |
Pack-years, n | 501 (32.24) | 134 (36.90) | 0.26 |
FEV1/FVC, n | 1007 (0.59) | 253 (0.53) | < 0.001 |
FEV1 %predicted (%), n | 980 (62.37) | 265 (51.43) | < 0.001 |
FEV1 (L), n | 1052 (1.57) | 271 (1.27) | < 0.001 |
B-eosinophils (109/L), n | 1232 (0.25) | 328 (0.23) | 0.17 |
MRC-score, n | 604 (2.53) | 196 (3.20) | < 0.001 |