ITP survival analysis: resveratrol
Intervention:
resveratrol
dietary supplement
Trial code: Res_lo
Dose: 300 ppm
initiated at age: 12 mo
Sex: both
Cohort: C2006
Trial code: Res_hi
Dose: 1200 ppm
initiated at age: 12 mo
Sex: both
Cohort: C2006
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
Res_lo effect on survival,
females, test site = All
Log-rank test
chisq = 0.2135
p = 0.644
Wang-Allison test
odds ratio = 1.2871
p = 0.4796
Quantiles
Res_lo
Control
% difference
25% died before day:
769
772
0 %
Median lifespan (days)
906
882
+3 %
75% died before day:
990
968
+2 %
90% died before day:
1104
1077
+3 %
Max lifespan observed (days)
1284
1261
Number of mice at start
143
237
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
females, test site = All
Log-rank test
chisq = 0.4947
p = 0.4818
Wang-Allison test
odds ratio = 2.09
p = 0.0356
Quantiles
Res_hi
Control
% difference
25% died before day:
776
772
+1 %
Median lifespan (days)
905
882
+3 %
75% died before day:
1004
968
+4 %
90% died before day:
1112
1077
+3 %
Max lifespan observed (days)
1246
1261
Number of mice at start
143
237
Animal censor events are denoted by + marks in the plot
All test sites combined – male
Survival analysis details -- Male
Res_lo effect on survival,
males, test site = All
Log-rank test
chisq = 0.0037
p = 0.9518
Wang-Allison test
odds ratio = 1.3095
p = 0.4223
Quantiles
Res_lo
Control
% difference
25% died before day:
692
650
+6 %
Median lifespan (days)
830
826
0 %
75% died before day:
954
949
+1 %
90% died before day:
1037
1060
-2 %
Max lifespan observed (days)
1235
1268
Number of mice at start
159
309
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
males, test site = All
Log-rank test
chisq = 1.9964
p = 0.1577
Wang-Allison test
odds ratio = 1.4744
p = 0.2484
Quantiles
Res_hi
Control
% difference
25% died before day:
685
650
+5 %
Median lifespan (days)
882
826
+7 %
75% died before day:
990
949
+4 %
90% died before day:
1077
1060
+2 %
Max lifespan observed (days)
1294
1268
Number of mice at start
154
309
Animal censor events are denoted by + marks in the plot
By individual test site:
TJL – female
TJL – female
Survival analysis details
Res_lo effect on survival,
females, test site = TJL
Log-rank test
chisq = 0.0028
p = 0.9578
Wang-Allison test
odds ratio = 1.8495
p = 0.3503
Quantiles
Res_lo
Control
% difference
25% died before day:
756
792
-5 %
Median lifespan (days)
925
888
+4 %
75% died before day:
990
972
+2 %
90% died before day:
1118
1077
+4 %
Max lifespan observed (days)
1284
1261
Number of mice at start
47
68
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
females, test site = TJL
Log-rank test
chisq = 0.1616
p = 0.6877
Wang-Allison test
odds ratio = 4.9302
p = 0.0264
Quantiles
Res_hi
Control
% difference
25% died before day:
795
792
0 %
Median lifespan (days)
896
888
+1 %
75% died before day:
1022
972
+5 %
90% died before day:
1168
1077
+8 %
Max lifespan observed (days)
1242
1261
Number of mice at start
48
68
Animal censor events are denoted by + marks in the plot
TJL – male
TJL – male
Survival analysis details
Res_lo effect on survival,
males, test site = TJL
Log-rank test
chisq = 0.3738
p = 0.5409
Wang-Allison test
odds ratio = 1.7532
p = 0.2901
Quantiles
Res_lo
Control
% difference
25% died before day:
574
633
-9 %
Median lifespan (days)
749
800
-6 %
75% died before day:
934
916
+2 %
90% died before day:
1013
1007
+1 %
Max lifespan observed (days)
1164
1197
Number of mice at start
58
96
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
males, test site = TJL
Log-rank test
chisq = 0.8343
p = 0.361
Wang-Allison test
odds ratio = 0.8783
p = 1.0
Quantiles
Res_hi
Control
% difference
25% died before day:
615
633
-3 %
Median lifespan (days)
796
800
0 %
75% died before day:
895
916
-2 %
90% died before day:
980
1007
-3 %
Max lifespan observed (days)
1091
1197
Number of mice at start
54
96
Animal censor events are denoted by + marks in the plot
UM – female
UM – female
Survival analysis details
Res_lo effect on survival,
females, test site = UM
Log-rank test
chisq = 0.4619
p = 0.4967
Wang-Allison test
odds ratio = 1.0077
p = 1.0
Quantiles
Res_lo
Control
% difference
25% died before day:
692
788
-12 %
Median lifespan (days)
862
891
-3 %
75% died before day:
973
990
-2 %
90% died before day:
1094
1069
+2 %
Max lifespan observed (days)
1166
1248
Number of mice at start
48
87
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
females, test site = UM
Log-rank test
chisq = 1.9401
p = 0.1637
Wang-Allison test
odds ratio = 2.6786
p = 0.0851
Quantiles
Res_hi
Control
% difference
25% died before day:
772
788
-2 %
Median lifespan (days)
946
891
+6 %
75% died before day:
1032
990
+4 %
90% died before day:
1126
1069
+5 %
Max lifespan observed (days)
1246
1248
Number of mice at start
48
87
Animal censor events are denoted by + marks in the plot
UM – male
UM – male
Survival analysis details
Res_lo effect on survival,
males, test site = UM
Log-rank test
chisq = 0.035
p = 0.8515
Wang-Allison test
odds ratio = 1.3508
p = 0.5792
Quantiles
Res_lo
Control
% difference
25% died before day:
757
701
+8 %
Median lifespan (days)
882
851
+4 %
75% died before day:
957
974
-2 %
90% died before day:
1082
1077
0 %
Max lifespan observed (days)
1206
1268
Number of mice at start
49
107
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
males, test site = UM
Log-rank test
chisq = 1.1339
p = 0.2869
Wang-Allison test
odds ratio = 2.132
p = 0.2362
Quantiles
Res_hi
Control
% difference
25% died before day:
702
701
0 %
Median lifespan (days)
895
851
+5 %
75% died before day:
993
974
+2 %
90% died before day:
1138
1077
+6 %
Max lifespan observed (days)
1294
1268
Number of mice at start
48
107
Animal censor events are denoted by + marks in the plot
UT – female
UT – female
Survival analysis details
Res_lo effect on survival,
females, test site = UT
Log-rank test
chisq = 2.195
p = 0.1385
Wang-Allison test
odds ratio = 1.2108
p = 0.7623
Quantiles
Res_lo
Control
% difference
25% died before day:
832
748
+11 %
Median lifespan (days)
926
843
+10 %
75% died before day:
1047
964
+9 %
90% died before day:
1110
1105
0 %
Max lifespan observed (days)
1199
1192
Number of mice at start
48
82
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
females, test site = UT
Log-rank test
chisq = 0.4068
p = 0.5236
Wang-Allison test
odds ratio = 0.7561
p = 0.7678
Quantiles
Res_hi
Control
% difference
25% died before day:
775
748
+4 %
Median lifespan (days)
867
843
+3 %
75% died before day:
975
964
+1 %
90% died before day:
1031
1105
-7 %
Max lifespan observed (days)
1167
1192
Number of mice at start
47
82
Animal censor events are denoted by + marks in the plot
UT – male
UT – male
Survival analysis details
Res_lo effect on survival,
males, test site = UT
Log-rank test
chisq = 0.4596
p = 0.4978
Wang-Allison test
odds ratio = 0.9192
p = 1.0
Quantiles
Res_lo
Control
% difference
25% died before day:
722
586
+23 %
Median lifespan (days)
850
813
+5 %
75% died before day:
958
935
+2 %
90% died before day:
1026
1053
-3 %
Max lifespan observed (days)
1235
1212
Number of mice at start
52
106
Animal censor events are denoted by + marks in the plot
Res_hi effect on survival,
males, test site = UT
Log-rank test
chisq = 4.8233
p = 0.0281
Wang-Allison test
odds ratio = 1.6708
p = 0.4015
Quantiles
Res_hi
Control
% difference
25% died before day:
732
586
+25 %
Median lifespan (days)
950
813
+17 %
75% died before day:
1054
935
+13 %
90% died before day:
1093
1053
+4 %
Max lifespan observed (days)
1201
1212
Number of mice at start
52
106
Animal censor events are denoted by + marks in the plot
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Statistical definitions