the Statistics Add-In for Microsoft® Excel

Survival Analysis (Kaplan-Meier Analysis)

Sample Results as an Excel Table:

Survival analysis
Survival time: Survival Time
Event: Death
grouped by: Treatment
Survival Time At Risk Events Censored Survival Probability Std.Error
Drug A
42 8 1 0 0.875 0.11692679
100 7 0 1 ---- ----
210 6 1 0 0.72916667 0.16497624
250 5 0 1 ---- ----
345 4 0 1 ---- ----
360 3 0 1 ---- ----
365 2 0 1 ---- ----
372 1 0 1 ---- ----
Placebo
21 8 1 0 0.875 0.11692679
33 7 0 1 ---- ----
55 6 1 0 0.72916667 0.16497624
69 5 1 0 0.58333333 0.18556096
130 4 2 0 0.29166667 0.17284553
290 2 0 1 ---- ----
310 1 0 1 ---- ----
Log-rank Test (Cox-Mantel)
Events observed Events expected
Drug A 2 4.14322344
Placebo 5 2.85677656
Chi-square Degrees of Freedom P
2.86972971 1 0.09026004

 

Sample Results as an Excel Chart: