TABLE 3.

Multivariable regression analysis for forced expiratory volume in 1 s/forced vital capacity

	Model 1	Model 2	Model 3	Model 4
Visual emphysema+	−0.88 (−1.72– −0.04)*
CLE+		−1.61 (−2.59– −0.63)**		−1.64 (−2.68– −0.60)**
PSE+			−0.40 (−1.30–0.50)	0.07 (−0.86–1.00)
WT subsegmental per 1 mm increase	9.65 (−1.98–21.3)	10.3 (−1.11–21.7)	8.96 (−2.77–20.7)	10.3 (−1.17–21.7)
ALR per 0.01 increase	6.63 (4.10–9.17)****	6.72 (4.23–9.21)****	6.46 (3.90–9.03)****	6.73 (4.23–9.23)****
Age per 1 year increase	−0.14 (−0.43–0.16)	−0.09 (−0.39–0.20)	−0.15 (−0.45–0.15)	−0.09 (−0.39–0.20)
Male	−2.08 (−3.39– −0.78)**	−2.23 (−3.50– −0.95)***	−2.12 (−3.44– −0.80)**	−2.24 (−3.53– −0.95)***
BMI per 1 kg·m−2 increase	−0.06 (−0.32–0.19)	−0.08 (−0.33–0.17)	−0.02 (−0.28–0.23)	−0.08 (−0.33–0.17)
Smoking status, current	0.23 (−0.87–1.34)	0.20 (−0.88–1.28)	0.18 (−0.94–1.29)	0.19 (−0.90–1.28)

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; ****: p<0.0001.