Table 7.
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.] | 53 | 52 | 5–88 | 3/0.3 | <0.001 | 1.028 | 1.013–1.044 | 0.001 | 1.030 | 1.012–1.048 |
Donor BMI [kg/m2] | 25 | 26 | 12–52 | 3/0.3 | 0.275 | 1.026 | 0.980–0.1075 | Not selected1 | ||
Donor creatinine [μmol/l] | 70 | 91 | 0–8408 | 0 | 0.552 | 0.999 | 0.996–1.002 | |||
Recipient age [yr.] | 56 | 54 | 18–77 | 0 | 0.181 | 1.012 | 0.995–1.029 | 0.418 | Not calculated2 | |
Recipient BMI [kg/m2] | 25 | 25 | 15–38 | 33/3.4 | 0.129 | 1.041 | 0.988–1.097 | 0.178 | Not calculated2 | |
CIT [min.] | 858 | 917 | 125–2458 | 6/0.6 | 0.289 | 1.000 | 1.000–1.001 | Not selected1 | ||
1st surgeon's CUSUM | 29 | 46 | 1–361 | 17/1.8 | 0.975 | 1.000 | 0.996–1.004 | |||
| ||||||||||
Categorical variables | N | MV§ | p | OR | 95% CI | p | OR | 95% CI | ||
n/% | ||||||||||
| ||||||||||
Night shift surgery 3 AM–6 AM | 20 | 0 | 0.163 | 2.212 | 0.725–6.747 | 0.214 | Not calculated2 | |||
Right recipient's fossa | 614 | 0 | 0.229 | 0.775 | 0.512–1.174 | Not selected1 | ||||
Right donor kidney | 474 | 0 | 0.986 | 0.996 | 0.661–1.502 | |||||
Number of arteries | ||||||||||
One | 735 | 0 | Reference | Collinearity with number of arterial anastomoses | ||||||
>one | 250 | 0.053 | 1.544 | 0.995–2.396 | ||||||
Number of arterial anastomoses | ||||||||||
One | 888 | 0 | Reference | Reference | ||||||
>one | 97 | 0.039 | 1.842 | 1.031–3.292 | 0.066 | Not calculated2 | ||||
Number of veins | ||||||||||
One | 950 | 0 | Reference | Not selected1 | ||||||
>one | 35 | 0.832 | 1.122 | 0.388–3.245 | ||||||
Number of venous anastomosis | ||||||||||
One | 984 | 0 | Reference | |||||||
>one | 1 | 1.000 | 0.000 | 0.000 | ||||||
Stenting of ureter anastomosis | ||||||||||
Nonstented | 242 | 3/0.3 | Reference | |||||||
Stented | 740 | 0.376 | 0.811 | 0.510–1.290 |
1Not selected because of a 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-Quadrat = 26.171, DF = 33, and p = 0.795.