Table 5 DDKT opportunity according to category based on PRA and ABO blood types.

From: Impact of sensitization and ABO blood types on the opportunity of deceased-donor kidney transplantation with prolonged waiting time

 

Median waiting time

Univariate model

Multivariate model

sHR

95% CI

P-value

sHR

95% CI

P-value

Hospital cohort

Category H

 PRA < 80%/AB (category H1)

11

Reference

  

Reference

  

PRA < 80%/A or B, PRA 80 ≪ 99%/AB (category H2)

12

0.71

0.58–0.88

0.001

0.71

0.58–0.88

0.001

PRA < 80%/O, PRA 80 ≪ 99%/A or B, PRA ≥ 99%/AB (category H3)

13

0.50

0.40–0.63

 < 0.001

0.49

0.39–0.62

 < 0.001

PRA 80 ≪ 99%/O, PRA ≥ 99%/A or B, PRA ≥ 99%/O

(category H4)

NA

0.30

0.19–0.46

 < 0.001

0.28

0.18–0.44

 < 0.001

National cohort

Category N

 PRA negative/AB (category N1)

8

Reference

  

Reference

  

 PRA negative/A or B, PRA positive/AB (category N2)

11

0.66

0.59–0.75

 < 0.001

0.66

0.59–0.75

 < 0.001

 PRA negative/O, PRA positive/A or B (category N3)

16

0.48

0.42–0.54

 < 0.001

0.48

0.42–0.54

 < 0.001

 PRA positive/O (category N4)

NA

0.36

0.31–0.41

 < 0.001

0.36

0.31–0.42

 < 0.001

  1. Multivariate model adjusted for age, sex, and DM. Max PRA% defined as patients’ highest PRA% record.
  2. CI confidence interval, DDKT deceased donor kidney transplantation, DM diabetes mellitus, max maximum, PRA panel reactive antibody, sHR subdistribution hazard ratio.
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