Skip to main content

Table 3 Comparing K–M at fixed point in time

From: Statistical methods to derive efficacy estimates of anti-malarials for uncomplicated Plasmodium falciparum malaria: pitfalls and challenges

Site Chi squared test for comparing K–M at a fixed time point (day 28)
(Klein’s test [42])
Log-rank test for comparing whole curve (day 0 to day 28)
X 2 p value X 2 p value
Tororo 1.35 0.246 2.00 0.158
Arua 2.72 0.099 2.20 0.142
Jinja 6.18 0.013 6.40 0.011
Apac 0.91 0.340 1.10 0.290
Stratified test 4.98 0.026 4.90 0.026