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Table 12.2

Time to Transplant, 1999 to 2008

New Lung Waiting List Registrations

Residency Year of Waiting List Registration
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Total Number of Registrations 1,990 1,974 2,032 1,887 1,953 2,000 1,564 1,775 1,959 2,005
10th Percentile of TT (Days) 139 110 86 80 87 45 18 9 11 11
25th Percentile of TT (Days) 450 360 284 250 240 184 54 31 35 35
Median TT (Days) 2,897 1,663 1,224 1,057 924 792 200 134 142 148
Median TT 95% C.I. Lower Bound 1,515 1,233 988 877 768 666 176 114 127 132
Median TT 95% C.I. Upper Bound + + 1,983 1,296 1,157 965 228 151 157 167
U.S. Resident Number of Registrations 1,963 1,961 2,020 1,882 1,947 1,992 1,556 1,764 1,943 1,994
10th Percentile of TT (Days) 141 110 86 79 87 45 18 9 11 11
25th Percentile of TT (Days) 451 358 279 248 240 184 54 31 35 35
Median TT (Days) 2,641 1,663 1,216 1,055 916 785 199 132 141 148
Median TT 95% C.I. Lower Bound 1,486 1,222 976 877 768 662 176 114 127 132
Median TT 95% C.I. Upper Bound + + 1,862 1,275 1,153 957 228 151 157 165
Nonresident Alien Number of Registrations 20 10 12 5 6 8 6 11 16 11
10th Percentile of TT (Days) 2 1 969 278 180 22 9 12 17 37
25th Percentile of TT (Days) 238 670 + + 576 73 51 23 37 38
Median TT (Days) + 927 + + + + 128 221 221 170
Median TT 95% C.I. Lower Bound + 670 + + + + 51 50 99 42
Median TT 95% C.I. Upper Bound + + + + + + + + + +
Unknown Number of Registrations 7 3 0 0 0 0 2 0 0 0
10th Percentile of TT (Days) 1 + + + + + + + + +
25th Percentile of TT (Days) 178 + + + + + + + + +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +


Source: OPTN/SRTR Data as of May 4, 2009.

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