ITP survival analysis: 2-(2-Hydroxyphenyl)benzoxazole
Results are based on the use of pooled factor(s) that is/are stratified within the survival analysis model.
All test sites combined – female
Survival analysis details -- Female
HBX effect on survival,
females, test site = All
Log-rank test
chisq = 0.6171
p = 0.4321
Wang-Allison test
odds ratio = 0.7747
p = 0.607
Quantiles
HBX
Control
% difference
25% died before day:
749
770
-3 %
Median lifespan (days)
856
877
-2 %
75% died before day:
988
1006
-2 %
90% died before day:
1091
1100
-1 %
Max lifespan observed (days)
1372
1301
Number of mice at start
136
279
Animal censor events are denoted by + marks in the plot
All test sites combined – male
Survival analysis details -- Male
HBX effect on survival,
males, test site = All
Log-rank test
chisq = 0.6088
p = 0.4352
Wang-Allison test
odds ratio = 1.3852
p = 0.3255
Quantiles
HBX
Control
% difference
25% died before day:
625
620
+1 %
Median lifespan (days)
822
816
+1 %
75% died before day:
955
960
-1 %
90% died before day:
1069
1055
+1 %
Max lifespan observed (days)
1289
1260
Number of mice at start
155
284
Animal censor events are denoted by + marks in the plot
By individual test site:
TJL – female
TJL – female
Survival analysis details
HBX effect on survival,
females, test site = TJL
Log-rank test
chisq = 0.9082
p = 0.3406
Wang-Allison test
odds ratio = 1.8693
p = 0.2594
Quantiles
HBX
Control
% difference
25% died before day:
798
801
0 %
Median lifespan (days)
951
924
+3 %
75% died before day:
1054
1014
+4 %
90% died before day:
1133
1092
+4 %
Max lifespan observed (days)
1372
1301
Number of mice at start
48
96
Animal censor events are denoted by + marks in the plot
TJL – male
TJL – male
Survival analysis details
HBX effect on survival,
males, test site = TJL
Log-rank test
chisq = 4.5513
p = 0.0329
Wang-Allison test
odds ratio = 2.6671
p = 0.0933
Quantiles
HBX
Control
% difference
25% died before day:
637
624
+2 %
Median lifespan (days)
842
844
0 %
75% died before day:
1019
960
+6 %
90% died before day:
1111
1006
+10 %
Max lifespan observed (days)
1289
1163
Number of mice at start
54
101
Animal censor events are denoted by + marks in the plot
UM – female
UM – female
Survival analysis details
HBX effect on survival,
females, test site = UM
Log-rank test
chisq = 1.4711
p = 0.2252
Wang-Allison test
odds ratio = 0.5278
p = 0.5483
Quantiles
HBX
Control
% difference
25% died before day:
742
745
0 %
Median lifespan (days)
812
843
-4 %
75% died before day:
888
988
-10 %
90% died before day:
1029
1084
-5 %
Max lifespan observed (days)
1211
1243
Number of mice at start
44
90
Animal censor events are denoted by + marks in the plot
UM – male
UM – male
Survival analysis details
HBX effect on survival,
males, test site = UM
Log-rank test
chisq = 0.0333
p = 0.8552
Wang-Allison test
odds ratio = 0.9264
p = 1.0
Quantiles
HBX
Control
% difference
25% died before day:
730
719
+2 %
Median lifespan (days)
913
872
+5 %
75% died before day:
964
1022
-6 %
90% died before day:
1113
1111
0 %
Max lifespan observed (days)
1228
1204
Number of mice at start
50
84
Animal censor events are denoted by + marks in the plot
UT – female
UT – female
Survival analysis details
HBX effect on survival,
females, test site = UT
Log-rank test
chisq = 1.5894
p = 0.2074
Wang-Allison test
odds ratio = 0.3236
p = 0.2253
Quantiles
HBX
Control
% difference
25% died before day:
738
738
0 %
Median lifespan (days)
848
873
-3 %
75% died before day:
938
1008
-7 %
90% died before day:
1061
1116
-5 %
Max lifespan observed (days)
1226
1255
Number of mice at start
44
93
Animal censor events are denoted by + marks in the plot
UT – male
UT – male
Survival analysis details
HBX effect on survival,
males, test site = UT
Log-rank test
chisq = 1.1599
p = 0.2815
Wang-Allison test
odds ratio = 0.9676
p = 1.0
Quantiles
HBX
Control
% difference
25% died before day:
541
577
-6 %
Median lifespan (days)
740
751
-1 %
75% died before day:
843
886
-5 %
90% died before day:
949
994
-5 %
Max lifespan observed (days)
1121
1260
Number of mice at start
51
99
Animal censor events are denoted by + marks in the plot
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ITP data portal page for more information on
National Institute on Aging's Interventions Testing Program (ITP) including bibliography, data set downloads, and links to all available hosted data.
Statistical definitions