Table 5 Mean (SE) FEV1 %predicted in relation to AAT quintile classes in non-current smokers†
Quintile classes of AAT (g/l) | |||||||
|---|---|---|---|---|---|---|---|
Q0 (<0.9) | Q1 (≥0.9–<1.13) | Q2 (≥1.13, <1.22) | Q3 (≥1.22, <1.31) | Q4 (≥1.31, <1.41) | Q5 (≥1.41) | ptrend from model not including Q0 | |
Men (n) | 66 | 522 | 439 | 351 | 226 | 142 | |
FEV1 (% predicted), CRP adj. | 99.5 (1.8) | 97.6 (0.6) | 97.9 (0.7) | 98.2 (0.8) | 97.0 (1.0) | 92.9 (1.3) | 0.05 |
FEV1 (% predicted), no CRP adj.* | 99.8 (1.8) | 98.1 (0.6) | 98.1 (0.6) | 98.0 (0.8) | 96.5 (0.9) | 91.9 (1.2) | <0.001 |
Women (n) ¶ | 64 | 289 | 282 | 403 | 315 | 395 | |
FEV1 (% predicted) CRP adj. | 101.0 (1.8) | 100.4 (0.9) | 99.8 (0.9) | 100.3 (0.7) | 99.9 (0.8) | 99.3 (0.8) | 0.85 |
FEV1 (% predicted), no CRP adj. * | 101.8 (1.8) | 100.9 (0.9) | 100.3 (0.9) | 100.4 (0.7) | 100.0 (0.8) | 98.4 (0.7) | 0.13 |
Premenopausal women (n) ¶ | 27 | 100 | 109 | 151 | 131 | 187 | |
FEV1 (% predicted), CRP adj. | 98.7 (2.4) | 98.3 (1.3) | 97.2 (1.2) | 99.6 (1.0) | 101.5 (1.1) | 99.7 (1.0) | 0.02 |
FEV1 (% predicted), no CRP adj.* | 99.1 (2.4) | 98.8 (1.3) | 97.1 (1.0) | 99.6 (1.0) | 101.7 (1.1) | 99.1 (1.0) | 0.11 |
Postmenopausal women (n) ¶ | 37 | 189 | 173 | 252 | 184 | 208 | |
FEV1 (% predicted), CRP adj. | 102.5 (2.5) | 101.5 (1.1) | 101.5 (1.2) | 100.8 (1.0) | 98.8 (1.1) | 98.7 (1.1) | 0.04 |
FEV1 (% predicted), no CRP adj.* | 103.4 (2.5) | 102.1 (1.1) | 101.7 (1.1) | 101.0 (1.0) | 98.7 (1.1) | 97.7 (1.1) | <0.001 |