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Table 4 Pain severity in two groups of S. marianum ointment and Placebo ointment with confidence interval of 95%

From: Evaluation the effect of Silybum marianum ointment on episiotomy wound healing and pain intensity in primiparous women: a randomized triple blind clinical trial

Parameter Estimate STD.error p-value 95% Confidence Interval
Lower Bound Upper bound
group −0.973 0.184 .000 −1.339 −0.981