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Table 12.2

Time to Transplant, 1998 to 2007

New Lung Waiting List Registrations

Blood Type Year of Waiting List Registration
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Total Number of Registrations 2,084 1,990 1,974 2,032 1,887 1,953 1,999 1,562 1,774 1,957
10th Percentile of TT (Days) 121 139 110 86 80 87 45 18 9 11
25th Percentile of TT (Days) 369 450 360 284 250 240 184 54 31 35
Median TT (Days) 1,105 2,897 1,663 1,224 1,057 924 792 199 132 141
Median TT 95% C.I. Lower Bound 977 1,515 1,233 988 877 768 666 176 114 127
Median TT 95% C.I. Upper Bound 1,364 + + 1,983 1,296 1,157 965 228 151 157
O Number of Registrations 971 924 922 977 883 914 927 703 833 874
10th Percentile of TT (Days) 172 142 147 113 109 111 61 22 13 10
25th Percentile of TT (Days) 479 550 496 364 336 293 209 66 43 34
Median TT (Days) 2,152 + + 1,620 1,537 1,395 920 271 170 155
Median TT 95% C.I. Lower Bound 1,276 + + 1,125 1,112 1,038 702 223 138 129
Median TT 95% C.I. Upper Bound + + + + + + 1,398 342 204 188
A Number of Registrations 785 735 744 755 733 769 799 619 685 796
10th Percentile of TT (Days) 76 134 95 71 56 73 37 15 7 12
25th Percentile of TT (Days) 277 437 321 248 182 198 182 47 25 36
Median TT (Days) 818 1,556 1,032 971 728 729 806 170 103 142
Median TT 95% C.I. Lower Bound 744 977 885 811 613 617 606 144 82 121
Median TT 95% C.I. Upper Bound 930 + 1,595 1,338 903 915 1,266 206 129 167
B Number of Registrations 240 251 215 237 202 201 203 179 186 201
10th Percentile of TT (Days) 119 149 101 85 90 88 60 17 8 9
25th Percentile of TT (Days) 374 346 304 240 214 199 128 55 31 36
Median TT (Days) + 919 920 2,275 841 524 505 158 113 113
Median TT 95% C.I. Lower Bound + 684 681 881 584 423 289 113 76 78
Median TT 95% C.I. Upper Bound + + + + 1,501 1,034 1,247 257 181 207
AB Number of Registrations 88 80 93 63 69 69 70 61 70 86
10th Percentile of TT (Days) 121 100 97 39 94 86 23 9 9 15
25th Percentile of TT (Days) 307 265 248 167 313 297 71 19 22 31
Median TT (Days) 1,013 893 + 631 + 1,390 362 62 132 94
Median TT 95% C.I. Lower Bound 537 570 + 394 + 591 132 37 71 49
Median TT 95% C.I. Upper Bound + + + + + + 681 115 308 200


Source: OPTN/SRTR Data as of May 1, 2008.

(+) = Not determined due to insufficient follow-up; fewer than this percentile have transplanted.

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 for a full discussion of the methods used for this table.



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