Table 2. Results of the multivariable logistic regression.

Independent variables	Odds ratio	95% Wald confidence limits		P-value
sex (male vs. female)	0.21	0.09	0.50	<0.001
log Tac C/D ratio at UTI (weight-adjusted) (x vs. x-1 units)	0.73	0.40	1.31	0.287
age (x vs. x-1 years)	1.00	0.98	1.03	0.785
height (x vs. x-1 cm)	0.96	0.92	1.00	0.040
living donor transplantation (yes vs. no)	0.57	0.26	1.27	0.170
ESP (yes vs. no)	3.86	1.18	12.69	0.026
donor sex (male vs. female)	2.11	1.08	4.10	0.029
AUC: 0.81 (95% CI 0.75–0.87)

Results of the multivariable logistic regression of potential risk factors for UTI. Tac C/D ratio at UTI was log-transformed (natural logarithmic) to achieve equal intervals between C/D ratio units. P-values are from the Wald test; ESP, European Senior program; AUC, Area under the curve. Equation3 for calculation of probability for UTI: Prob(UTI) = exp(X)/(1+exp(X)), with X = 8.2674+1.5555·I(female)-0.3192·(logCDratio)+0.0043·(age)-0.0449·(height)-0.5602·I(ldt)+1.3512·I(ESP)-0.7444·I(female donor). I(female) = indicator of female sex, logCDratio = log Tac C/D ratio at UTI (weight-adjusted), age = age (years), height = height (cm), I(ldt) = indicator of living donor transplantation, I(ESP) = indicator of European Senior program, I(donor female) = indicator of female donor sex.