TABLE 4.
Multivariable regression analysis for forced expiratory volume in 1 s percentage predicted
| Model 1 | Model 2 | Model 3 | Model 4 | |
| Visual emphysema+ | −2.00 (−3.84– −0.17)* | |||
| CLE+ | −3.01 (−5.18– −0.85)** | −2.81 (−5.10– −0.52)* | ||
| PSE+ | −1.37 (−3.33–0.59) | −0.57 (−2.61–1.47) | ||
| WT subsegmental per 1 mm increase | −4.81 (−30.2–20.6) | −3.97 (−29.1–21.2) | −6.07 (−31.6–19.5) | −3.79 (−29.0–21.4) |
| ALR per 0.01 increase | 10.8 (5.31–16.4)*** | 11.0 (5.47–16.4)*** | 10.4 (4.84–16.0)*** | 10.9 (5.36–16.4)*** |
| Age per 1 year increase | −0.26 (−0.92–0.39) | −0.19 (−0.84–0.46) | −0.30 (−0.96–0.35) | −0.20 (−0.86–0.45) |
| Male | −1.14 (−3.99–1.70) | −1.45 (−4.26–1.35) | −1.15 (−4.03–1.73) | −1.35 (−4.19–1.49) |
| BMI per 1 kg·m−2 increase | −0.31 (−0.86–0.25) | −0.32 (−0.87–0.23) | −0.25 (−0.81–0.31) | −0.34 (−0.90–0.21) |
| Smoking status, current | −0.44 (−2.85–1.97) | −0.55 (−2.92–1.83) | −0.49 (−2.93–1.94) | −0.47 (−2.86–1.93) |
Data are presented as estimate (95% CI). CLE: centrilobular emphysema; PSE: paraseptal emphysema; WT: wall thickness; ALR: airway/lung ratio; BMI: body mass index. *: p<0.05; **: p<0.01; ***: p<0.001.