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. 2016 Mar;6(1):30–36. doi: 10.1086/685022

Table 4.

Multivariable regression coefficients using multiple imputation

Without PaO2
(n = 130)		 With PaO2
(n = 130)
Variable β (95% CI) P β (95% CI) P
Age, years −2.6 (−5.6 to 0.5) 0.10 −2.4 (−5.4 to 0.5) 0.11
Male sex 44.8 (−14.4 to 104.1) 0.14 54.3 (−2.7 to 111.4) 0.06
Race
 White Ref … Ref …
 Black −39.1 (−119.3 to 41.1) 0.34 −34.3 (−113.2 to 44.5) 0.39
 Other −21.2 (−85.8 to 43.5) 0.52 −33.9 (−97.4 to 29.6) 0.29
Height, per 10-cm increase −35.6 (−66.7 to −4.6) 0.03 −31.2 (−60.9 to −1.4) 0.04
Weight, per 1-kg increase −0.6 (−2.0 to 0.7) 0.35 −0.1 (−1.4 to 1.2) 0.87
FVC, per 200-mL decrease −15.0 (−21.1 to −9.0) <0.001 −11.9 (−18.0 to −5.9) <0.001
Presence of RV dilation −50.9 (−93.3 to −8.4) 0.02 −37.8 (−79.1 to 3.5) 0.08
PVR, per 1-WU increase −17.3 (−29.5 to −5.1) 0.006 −11.7 (−24.9 to 1.5) 0.08
PaO2, per 10-mmHg decrease … … −19.3 (−30.6 to −8.0) 0.001
Note

CI: confidence interval; FVC: forced vital capacity; PaO2: partial pressure of oxygen in arterial blood; PVR: pulmonary vascular resistance; RV: right ventricular; WU: Wood unit.