ITP survival analysis: nicotinamide riboside
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
NR effect on survival,
females, test site = All
Log-rank test
chisq = 0.2573
p = 0.612
Wang-Allison test
odds ratio = 1.0538
p = 0.8646
Quantiles
NR
Control
% difference
25% died before day:
761
790
-4 %
Median lifespan (days)
856
875
-2 %
75% died before day:
986
975
+1 %
90% died before day:
1087
1055
+3 %
Max lifespan observed (days)
1281
1339
Number of mice at start
134
303
Animal censor events are denoted by + marks in the plot
All test sites combined – male
Survival analysis details -- Male
NR effect on survival,
males, test site = All
Log-rank test
chisq = 1.3109
p = 0.2522
Wang-Allison test
odds ratio = 1.0178
p = 1.0
Quantiles
NR
Control
% difference
25% died before day:
600
608
-1 %
Median lifespan (days)
760
782
-3 %
75% died before day:
897
935
-4 %
90% died before day:
1059
1055
0 %
Max lifespan observed (days)
1207
1264
Number of mice at start
145
275
Animal censor events are denoted by + marks in the plot
By individual test site:
TJL – female
TJL – female
Survival analysis details
NR effect on survival,
females, test site = TJL
Log-rank test
chisq = 4.1568
p = 0.0415
Wang-Allison test
odds ratio = 1.8939
p = 0.2559
Quantiles
NR
Control
% difference
25% died before day:
810
816
-1 %
Median lifespan (days)
968
883
+10 %
75% died before day:
1036
971
+7 %
90% died before day:
1174
1057
+11 %
Max lifespan observed (days)
1281
1230
Number of mice at start
47
95
Animal censor events are denoted by + marks in the plot
TJL – male
TJL – male
Survival analysis details
NR effect on survival,
males, test site = TJL
Log-rank test
chisq = 0.0557
p = 0.8135
Wang-Allison test
odds ratio = 1.2301
p = 0.7785
Quantiles
NR
Control
% difference
25% died before day:
590
608
-3 %
Median lifespan (days)
748
749
0 %
75% died before day:
868
891
-3 %
90% died before day:
1008
1005
0 %
Max lifespan observed (days)
1191
1262
Number of mice at start
52
94
Animal censor events are denoted by + marks in the plot
UM – female
UM – female
Survival analysis details
NR effect on survival,
females, test site = UM
Log-rank test
chisq = 5.2648
p = 0.0218
Wang-Allison test
odds ratio = 0.5545
p = 0.5473
Quantiles
NR
Control
% difference
25% died before day:
735
788
-7 %
Median lifespan (days)
799
858
-7 %
75% died before day:
872
961
-9 %
90% died before day:
1008
1034
-3 %
Max lifespan observed (days)
1124
1189
Number of mice at start
43
92
Animal censor events are denoted by + marks in the plot
UM – male
UM – male
Survival analysis details
NR effect on survival,
males, test site = UM
Log-rank test
chisq = 0.3159
p = 0.5741
Wang-Allison test
odds ratio = 1.7769
p = 0.3609
Quantiles
NR
Control
% difference
25% died before day:
697
534
+31 %
Median lifespan (days)
830
814
+2 %
75% died before day:
947
996
-5 %
90% died before day:
1096
1071
+2 %
Max lifespan observed (days)
1207
1258
Number of mice at start
42
82
Animal censor events are denoted by + marks in the plot
UT – female
UT – female
Survival analysis details
NR effect on survival,
females, test site = UT
Log-rank test
chisq = 0.931
p = 0.3346
Wang-Allison test
odds ratio = 0.9367
p = 1.0
Quantiles
NR
Control
% difference
25% died before day:
768
774
-1 %
Median lifespan (days)
856
882
-3 %
75% died before day:
940
984
-4 %
90% died before day:
1023
1058
-3 %
Max lifespan observed (days)
1168
1339
Number of mice at start
44
116
Animal censor events are denoted by + marks in the plot
UT – male
UT – male
Survival analysis details
NR effect on survival,
males, test site = UT
Log-rank test
chisq = 5.515
p = 0.0189
Wang-Allison test
odds ratio = 0.4552
p = 0.2666
Quantiles
NR
Control
% difference
25% died before day:
561
640
-12 %
Median lifespan (days)
712
799
-11 %
75% died before day:
868
936
-7 %
90% died before day:
953
1064
-10 %
Max lifespan observed (days)
1078
1264
Number of mice at start
51
99
Animal censor events are denoted by + marks in the plot
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Statistical definitions