Table 3.

Univariate risk ratios for graft failure according to Cox regression analysisa

Variable Type of Transplant
HBD NHBD
36 mo Cumulative Probability (%) RR (95%CI) 36 mo Cumulative Probability (%) RR (95%CI)
Cause of death of donor
trauma 88.24 1 90.10 1
no trauma 81.57 1.41 (0.80 to 2.46) 84.04 1.37 (0.37 to 5.12)
No. of transplant
first 85.59 1 90.97 1
successive 76.48 1.85 (0.93 to 3.69) 61.63 3.44 (0.86 to 13.80)
Recipient age (yr)
≥55 84.75 0.80 (0.45 to 1.41) 90.30 0.78 (0.20 to 3.14)
<55 84.20 1 86.12 1
Weight (kg)
≥81 91.78 1.22 (0.28 to 5.38) 100
<81 95.30 1 91.16
Peak PRA (%)
≥50 78.69 1.89 (0.99 to 3.62) 31.11 6.58 (1.74 to 24.92)
<50 85.79 1 92.98 1
DR compatibility
≥1 79.05 1 87.84 1
0 85.80 0.60 (0.30 to 1.19) 87.52 0.90 (0.19 to 4.34)
Donor age (yr)
≥55 71.85 2.17 (1.22 to 3.87)
<55 88.47 1 87.64
Cold ischemia time (h)
≥18 84.71 0.87 (0.50 to 1.49) 87.56 0.84 (0.21 to 3.37)
<18 83.71 1 87.76 1
Gender
male 85.45 1 89.17 1
female 82.66 1.35 (0.78 to 2.32) 84.12 1.54 (0.41 to 5.72)
Treatment
thymoglobuline 84.77 1 75.00 1
no thymoglobuline 83.89 1.00 (0.56 to 1.81) 94.74 0.23 (0.06 to 0.91)
Type of dialysis
hemodialysis 85.75 1 86.81
peritoneal dialysis 72.02 2.55 (1.14 to 5.69) 100
Corticoresistant rejection
yes 68.74 4.93 (2.66 to 9.17) 63.37 6.44 (1.44 to 28.91)
no 93.41 1 95.30 1
Corticosensitive rejection
yes 89.67 0.96 (0.47 to 1.96) 94.74 0.55 (0.07 to 4.56)
no 86.20 1 88.79 1
Delayed graft function
absence 92.36 1 93.75 1
1 to 14 d 86.43 1.65 (0.73 to 3.72) 96.77 0.64 (0.04 to 10.32)
15 to 21 d 70.34 3.04 (1.04 to 8.89) 87.91 1.62 (0.15 to 17.90)
>21 d 80.00 4.59 (1.36 to 15.50) 50 13.75 (1.41 to 133.7)
Time on dialysis (mo)
<36 84.93 0.96 (0.56 to 1.66) 79.68 0.86 (0.64 to 8.85)
≥36 68.74 1 92.05 1
  • a Data were obtained from the Hospital Clinico San Carlos (Madrid, Spain) over the period 1989 to 1998. RR, relative risk; CI, confidence interval. Other abbreviations as in Table 1.