Comparison		Hazard ratios		No. of trials	No. of patients
Intervention	Comparator	Median	95% CrI
Macrolide	Placebo	0.53	0.27 to 0.90	9	1618
Tetracycline	Placebo	1.26	0.63 to 2.33	1	49
Quinolone	Placebo	0.88	0.75 to 1.04	2	1198
Tetracycline	Macrolide	2.39	1.01 to 5.78	1	49
Quinolone	Macrolide	1.66	0.97 to 3.32	1	50
Quinolone	Tetracycline	0.70	0.37 to 1.40	1	50