Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Treatment failure
RCT	144 people with suspected PCP, diagnosis confirmed in 109 (76%) (only those with confirmed diagnoses were evaluated further)	Treatment failure in people with confirmed PCP 21 days 16/56 (29%) with oral atovaquone 9/53 (17%) with intravenous pentamidine	RR 1.68 95 CI 0.81 to 3.47 P = 0.18 The wide confidence interval suggests that the trial had insufficient power to detect a clinically important difference between treatments		Not significant