Table 6.
Continuous variables | Descriptive statistics | Univariable binary regression | Risk-adjusted multivariable binary regression | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Med | Mean | Range | MV§ | p | OR | 95% CI | p | OR | 95% CI | |
n/% | ||||||||||
Donor age [yr.] | 54 | 53 | 6–88 | 3/0.3 | <0.001 | 1.018 | 1.008–1.027 | 0.001 | 1.017 | 1.010–1.033 |
Donor BMI [kg/m2] | 26 | 26 | 12–52 | 3/0.3 | 0.510 | 1.011 | 0.978–1.046 | Not selected1 | ||
Donor creatinine [μmol/l] | 68 | 95 | 0–8408 | 0 | 0.776 | 1.000 | 1.000-1.000 | |||
Recipient age [yr.] | 56 | 54 | 18–77 | 0 | 0.013 | 1.015 | 1.003–1.027 | 0.742 | Not calculated2 | |
Recipient BMI [kg/m 2 ] | 25 | 25 | 15–38 | 14/1.6 | 0.001 | 1.068 | 1.029–1.109 | 0.001 | 1.074 | 1.031–1.119 |
CIT [min.] | 785 | 846 | 125–2286 | 16/1.9 | <0.001 | 1.002 | 1.001–1.002 | <0.001 | 1.002 | 1.001–1.002 |
1st surgeon's CUSUM | 29 | 46 | 1–361 | 5/0.6 | 0.770 | 1.000 | 0.997–1.002 | Not selected1 | ||
| ||||||||||
Categorical variables | N | MV§ | p | OR | 95% CI | p | OR | 95% CI | ||
n/% | ||||||||||
| ||||||||||
Night shift surgery 3 AM–6 AM | 16 | 0 | 0.303 | 0.515 | 0.146–1.822 | Not selected1 | ||||
Recipient's right fossa | 555 | 0 | 0.013 | 0.689 | 0.514–0.924 | 0.065 | Not calculated2 | |||
Right donor kidney | 425 | 0 | 0.618 | 1.076 | 0.808–1.432 | Not selected1 | ||||
Number of arteries | ||||||||||
One | 667 | 0 | Reference | |||||||
>one | 216 | 0.432 | 1.146 | 0.822–1.599 | ||||||
Number of arterial anastomoses | ||||||||||
One | 802 | 0 | Reference | Reference | ||||||
>one | 81 | 0.006 | 1.927 | 1.212–3.064 | 0.087 | Not calculated2 | ||||
Number of veins | ||||||||||
One | 852 | 0 | Reference | Not selected1 | ||||||
>one | 31 | 0.835 | 0.920 | 0.418–2.025 | ||||||
Number of venous anastomoses | ||||||||||
One | 882 | 0 | Reference | |||||||
>one | 1 | 1.000 | 0.000 | 0.000 | ||||||
Stenting of ureter anastomosis | ||||||||||
Nonstented | 214 | 0 | Reference | |||||||
Stented | 669 | 0.161 | 0.791 | 0.571–1.098 |
1Not selected due to p value > 0.2 in univariable analyses.
2Odds ratios and 95% CI were not calculated because of a p value > 0.05 in multivariable analyses.
§Little's MCAR test: Chi-Square = 23.458, DF = 23, and p = 0.434.