Figure 4From: Progress report on the first sub-Saharan Africa trial of newer versus older antihypertensive drugs in native black patients Systolic blood pressure (A), diastolic blood pressure (B) and the proportion of patients controlled (C) during the course of the trial. For this cohort analysis the two treatment groups are combined and the number of patients was constant in each of the data points (n = 49). Blood pressure control is a level below 140 mmHg systolic and 90 mmHg diastolic.Back to article page