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Transplant Statistics: Annual Report : Reference Tables

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Table 10.2
Time to Transplant
New Intestine Waiting List Registrations, 1993 to 2001

Age at Registration Year of Waiting List Registration
1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 59 84 92 88 135 152 149 171 219
10th Percentile of TT (Days) 24 41 19 35 21 12 28 33 27
25th Percentile of TT (Days) 184 163 114 96 72 80 87 103 82
Median TT (Days) + + 467 390 894 291 313 295 319
Median TT 95% C.I. Lower Bound + + 276 254 265 165 219 192 185
Median TT 95% C.I. Upper Bound + + + 1,164 + + 520 604 +
<1 year Number of Registrations 6 22 22 25 42 61 47 75 81
10th Percentile of TT (Days) 169 43 19 49 166 84 43 70 81
25th Percentile of TT (Days) 588 158 282 153 372 146 115 156 208
Median TT (Days) + + + + + + + 359 +
Median TT 95% C.I. Lower Bound + + + + + + + 276 +
Median TT 95% C.I. Upper Bound + + + + + + + + +
1-5 years Number of Registrations 24 32 28 23 37 32 39 29 40
10th Percentile of TT (Days) 53 32 7 44 20 1 38 17 20
25th Percentile of TT (Days) 1,073 163 33 166 99 16 87 149 39
Median TT (Days) + + 467 390 + 131 287 + 173
Median TT 95% C.I. Lower Bound + + 132 303 + 42 214 + 84
Median TT 95% C.I. Upper Bound + + + + + + 555 + +
6-10 years Number of Registrations 8 3 12 6 8 5 12 10 13
10th Percentile of TT (Days) 3 78 103 25 8 81 23 1 93
25th Percentile of TT (Days) 24 78 114 39 15 183 27 47 97
Median TT (Days) 694 1,371 497 78 113 191 122 143 488
Median TT 95% C.I. Lower Bound 334 78 114 39 72 183 83 47 97
Median TT 95% C.I. Upper Bound + + + + + + 321 + +
11-17 years Number of Registrations 4 5 3 6 6 11 5 5 9
10th Percentile of TT (Days) 653 182 307 75 55 4 61 38 226
25th Percentile of TT (Days) 653 294 307 202 81 4 67 112 337
Median TT (Days) 1,033 + 307 288 92 34 308 247 467
Median TT 95% C.I. Lower Bound 653 + + 202 81 5 67 112 337
Median TT 95% C.I. Upper Bound + + + + + + + + +
18-34 years Number of Registrations 6 8 10 9 12 12 20 14 21
10th Percentile of TT (Days) 12 7 13 6 5 47 11 5 8
25th Percentile of TT (Days) 29 87 79 33 6 54 28 31 19
Median TT (Days) 38 293 142 157 97 154 315 45 124
Median TT 95% C.I. Lower Bound 29 150 79 33 32 59 49 37 53
Median TT 95% C.I. Upper Bound + + 417 232 + + + 231 +
35-49 years Number of Registrations 4 4 4 10 15 21 14 18 30
10th Percentile of TT (Days) 95 + 50 13 18 12 33 18 28
25th Percentile of TT (Days) 95 + 50 63 52 55 37 24 40
Median TT (Days) + + 263 163 131 120 114 122 129
Median TT 95% C.I. Lower Bound + + 50 63 53 69 75 26 67
Median TT 95% C.I. Upper Bound + + + + + + + + +
50-64 years Number of Registrations 0 2 4 0 4 8 9 10 18
10th Percentile of TT (Days) + 458 53 + 28 4 21 16 10
25th Percentile of TT (Days) + 458 53 + 28 56 194 48 58
Median TT (Days) + 458 + + 45 + + 116 87
Median TT 95% C.I. Lower Bound + 458 + + 28 + + 48 58
Median TT 95% C.I. Upper Bound + + + + + + + + 266
65+ years Number of Registrations 0 0 0 0 0 0 0 1 1
10th Percentile of TT (Days) + + + + + + + + 46
25th Percentile of TT (Days) + + + + + + + + 46
Median TT (Days) + + + + + + + + 46
Median TT 95% C.I. Lower Bound + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + +
Unknown Number of Registrations 7 8 9 9 11 2 3 9 6
10th Percentile of TT (Days) 22 63 1 43 31 149 289 36 15
25th Percentile of TT (Days) 24 86 136 180 46 149 289 117 33
Median TT (Days) 184 185 277 515 221 149 609 453 74
Median TT 95% C.I. Lower Bound 24 160 136 180 58 149 289 117 33
Median TT 95% C.I. Upper Bound + + + + + + + + +

Source: OPTN/SRTR Data as of August 1, 2002.
(+) = Not determined due to insufficient follow-up; fewer than this percentile have transplanted.
The Intestine waiting list began in 1993.
TT = Time to Transplant in days.
This table takes a cohort of waiting list registrations and shows how long it takes for 10%, 25%, and 50% (the median) of those patients to be transplanted. These tables take the point of view of a patient who has
just been registered on a waiting list and take into account all of the things that can happen to the patient
after wait listing, including receiving a transplant, being removed from the waiting list, and dying.
See Technical Notes chapter for a full discussion of the methods used for this table.

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