Research Article

A Retrospective Cohort Study on Rehospitalization following Expanded Criteria Donor Kidney Transplantation

Table 2

Results of the 1- and 2-year Andersen–Gill (AG) model.

Variable1 yr HR1 yr 95% CI1 yr value2 yr HR2 yr 95% CI2 yr value

ECD1.43[1.14,1.79]0.0021.32[1.06, 1.65]∗0.015
Years on dialysis1.04[1, 1.07]0.031.03[0.998, 1.07]0.065
Admissions 180 d before transplant1.18[1.02,1.38]0.0291.22[1.06, 1.41]∗0.005
Race black1.23[0.912, 1.67]0.1731.22[0.915, 1.63]0.176
Race hispanic1.35[0.993, 1.83]0.0551.32[0.975, 1.79]0.072
Age >651.24[0.924, 1.66]0.1531.22[0.924, 1.61]0.16
ESRD, FSGS, or IgA0.734[0.491,1.1]0.1310.75[0.527, 1.07]0.109
ESRD membranous, MPGN, or lupus0.764[0.508, 1.15]0.1960.752[0.534, 1.06]0.104
Basiliximab0.89[0.654, 1.21]0.4610.909[0.68, 1.21]0.515
MMF1.23[0.85,1.79]0.2711.15[0.827, 1.59]0.41
Sirolimus0.945[0.715, 1.25]0.6890.929[0.712, 1.21]0.589
Tacrolimus2.12[0.637, 7.02]0.2211[0.56, 1.79]0.996
CDC1.02[0.764, 1.36]0.8961.07[0.796, 1.43]0.667
HCV1.24[0.763, 2.02]0.3841.4[0.865, 2.26]0.171
BMI1.01[0.99,1.02]0.4331.01[0.996, 1.03]0.139
CIT1[1, 1]0.9331[1, 1]0.985
WIT1[0.995, 1.01]0.3981[0.993, 1.01]0.721
Charlson Index1.03[0.981, 1.08]0.2211.04[0.991, 1.08]0.114
Length of stay1.01[1, 1.01]0.0631.01[0.999, 1.01]0.092
Surgeon 11.13[0.739, 1.72]0.5801.11[0.748, 1.65]0.599
Surgeon 21.2[0.765, 1.87]0.4321.16[0.745, 1.8]0.514
Surgeon 30.915[0.595, 1.41]0.6870.883[0.559, 1.4]0.595
Surgeon 41.2[0.807, 1.77]0.3721.24[0.856, 1.81]0.254
Surgeon 50.906[0.554, 1.48]0.6950.879[0.558, 1.38]0.577
Surgeon 61.23[0.691, 2.2]0.4791.16[0.584, 1.97]0.584

values<0.05. HR = hazard ratio; CI = confidence interval; ECD = expanded criteria donor kidney; CIT = cold ischemia time; WIT = warm ischemia time.