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Table 3 Multivariate regression analysis with KCO%pred as dependent variable

From: Transfer factor for carbon monoxide in patients with COPD and diabetes: results from the German COSYCONET cohort

Modell Non-standardized coefficients Standardized coefficients T p-value
Regression coefficient B Standard error Beta
Constant 47.707 6.378   7.480 .000
Gender (m = 1.f = 2) −5.810 1.160 -.121 −5.008 .000
Age (y) .342 .056 .123 6.150 .000
BMI (kg/m2) 1.034 .092 .237 11.256 .000
Packyears -.059 .012 -.091 −4.894 .000
FEV1%pred .282 .025 .257 11.140 .000
FEV1/FVC -.113 .034 -.066 −3.346 .001
TLC%pred -.070 .018 -.089 −3.883 .000
RV%pred .112 .022 .221 5.127 .000
ITGV%pred -.253 .028 -.393 −9.121 .000
Creatinine (mg/dl) −4.253 1.991 -.044 −2.136 .033