Fig. 4From: A series of N-of-1 trials to assess the therapeutic interchangeability of two enalapril formulations in the treatment of hypertension in Addis Ababa, Ethiopia: study protocol for a randomized controlled trialMean clinical difference between two treatments (mean systolic blood pressure (BP)). point estimate of the difference between groups, 95% confidence intervals, *minimum clinically important difference (MCID)Back to article page