Table 1.

Characteristics of pediatric transplant candidates, by DSA categories defined by waiting time for kidney transplant

CharacteristicTotalWaiting TimeP Value
Short (0–180 d)Medium (181–270 d)Long (>270 d)
DSA (n)a56201917
Participants3764 (100)919 (24)1185 (32)1660 (44)
Median wait time284 (80–750)107 (36–344)234 (74–586)441 (180–1052)<0.001
Age at listing (yr)0.03
 <2237 (6)71 (8)63 (5)103 (6)
 2–5428 (11)115 (12)146 (12)167 (10)
 6–10601 (16)158 (17)190 (16)253 (15)
 11–172498 (67)575 (63)786 (67)1137 (69)
Male2196 (58)555 (60)662 (56)979 (59)0.09
Blood type0.30
 O1938 (52)466 (51)630 (53)842 (51)
 B522 (14)132 (14)153 (13)237 (14)
 A1179 (31)282 (31)361 (31)536 (32)
 AB125 (3)39 (4)41 (3)45 (3)
Race<0.001
 White1568 (42)438 (48)545 (46)585 (35)
 African American913 (24)276 (30)311 (26)326 (20)
 Hispanic1101 (29)166 (18)281 (24)654 (39)
 Other182 (5)39 (4)48 (4)95 (6)
Listed cause of ESRD<0.01
 CAKUT/hereditary1554 (41)395 (43)480 (40)679 (41)
 Primary GN349 (9)90 (10)91 (8)168 (10)
 Secondary GN264 (7)51 (5)94 (8)119 (7)
 FSGS/NS633 (17)164 (18)225 (19)244 (15)
 Other960 (26)217 (24)295 (25)448 (27)
Donor type0.001
 Deceased2640 (70)722 (79)849 (71)1069 (64)
 Living539 (14)112 (12)164 (14)263 (16)
 Not transplanted during observation period585 (16)85 (9)172 (15)328 (20)
Dialysis
 At listing2713 (72)685 (75)837 (71)1191 (72)0.13
 Among DDKT recipients, number on dialysis at transplantation2092 (80)578 (80)621 (73)893 (84)<0.001
Previous transplant635 (17)142 (16)213 (18)280 (17)0.31
Candidate ever inactive1865 (49)348 (38)514 (43)1003 (60)<0.001
PRA at allocation<0.001
 ≤201916 (51)555 (60)606 (51)755 (46)
 >20 to <80177 (5)43 (5)64 (5)70 (4)
 ≥80133 (3)35 (4)52 (5)46 (3)
 Missing1538 (41)286 (31)463 (39)789 (47)
Private insurance1405 (37)331 (36)442 (37)632 (38)0.59
  • Data are presented as n (%) or median (interquartile range). Median waiting times were estimated using the Kaplan–Meier method among all wait-listed candidates in the DSA, including individuals not transplanted. CAKUT, congenital anomalies of the kidney and urinary tract; NS, nephrotic syndrome.

  • a Two DSAs with 11 candidates were omitted because their median wait time could not be estimated.