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Table 12.2

Time to Transplant, 1998 to 2007

New Lung Waiting List Registrations

Gender 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
Female Number of Registrations 1,151 1,062 1,053 1,061 993 987 1,037 777 862 899
10th Percentile of TT (Days) 171 162 142 100 99 119 64 24 13 21
25th Percentile of TT (Days) 452 510 443 378 289 340 218 71 50 55
Median TT (Days) 1,327 + + + 1,191 1,633 + 296 251 299
Median TT 95% C.I. Lower Bound 1,071 + + + 981 1,164 + 236 200 243
Median TT 95% C.I. Upper Bound 2,580 + + + 2,040 + + 382 312 369
Male Number of Registrations 933 928 921 971 894 966 962 785 912 1,058
10th Percentile of TT (Days) 92 117 88 74 63 62 32 12 8 8
25th Percentile of TT (Days) 274 372 286 221 207 186 145 40 22 23
Median TT (Days) 958 1,449 1,039 910 901 650 557 147 80 87
Median TT 95% C.I. Lower Bound 807 1,099 880 763 728 574 458 125 68 75
Median TT 95% C.I. Upper Bound 1,184 + 1,414 1,224 1,182 779 662 176 89 102


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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