From: Association of lung function with cardiovascular risk: a cohort study
Lung function parameters | Estimated changes (95% CI) by continuous lung function parametersa | Estimated changes (95% CI) by groups of lung function parameters | p trend | |||
---|---|---|---|---|---|---|
FEV1/FVC (%) |  | L4 (≥90) | L3 (80 ~ < 90) | L2 (70 ~ < 80) | L1 (<  70) |  |
0.47 (0.34, 0.60) | 0.00 (ref.) | 0.78 (0.28, 1.28) | 1.91 (1.24, 2.59) | 3.82 (2.34, 5.30) | < 0.001 | |
FVC (L) |  | Q4 (> 2.9) | Q3 (2.5~ 2.9) | Q2 (2.1~ 2.4) | Q1 (≤2.0) |  |
0.24 (0.22, 0.26) | 0.00 (ref.) | 3.40 (2.71, 4.08) | 4.83 (4.08, 5.58) | 7.72 (6.92, 8.51) | < 0.001 | |
FEV1 (L) |  | Q4 (> 2.5) | Q3 (2.2~ 2.5) | Q2 (1.9~ 2.1) | Q1 (≤1.8) |  |
0.28 (0.25, 0.30) | 0.00 (ref.) | 3.33 (2.65, 4.01) | 4.85 (4.10, 5.60) | 7.96 (7.21, 8.71) | < 0.001 |