I have read carefully this paper (Interact II) for educational reasons.
I regret to tell that patients are not equals at baseline. According to their data, variable age is statistically lower in the intensive therapy group than in the other. I reproduced analysis below
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Two-Sample T-Test and CI (Minitab)
Sample N Mean StDev SE Mean
1 1399 63,0 13,1 0,35
2 1430 64,1 12,6 0,33
Difference = mu (1) - mu (2)
Estimate for difference: -1,100
95% CI for difference: (-2,048; -0,152)
T-Test of difference = 0 (vs not =): T-Value = -2,28 P-Value = 0,023 DF = 2816
I write this short lines only to warn about this mistake in the text
Can anyone replicate the analysis?
Thank you in advance.
Best regards
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