Table 2.

Adverse event profiles

	No causal relation with BPO			Possible causal relation with BPO
	2.5% BPO gel	5% BPO gel	2.5% + 5%	2.5% BPO gel	5% BPO gel	2.5% + 5%
	No. of cases (%)	No. of cases (%)	No. of cases (%)	No. of cases (%)	No. of cases (%)	No. of cases (%)
No. of subjects analyzed	231	227	458	231	227	458
No. of adverse events	194 (84.0)	198 (87.2)	392 (85.6)	114 (49.4)	125 (55.1)	239 (52.2)
Mild	191 (82.7)	195 (85.9)	386 (84.3)	111 (48.1)	123 (54.2)	234 (51.1)
Moderate	17 (7.4)	14 (6.2)	31 (6.8)	5 (2.2)	5 (2.2)	10 (2.2)
Severe	1 (0.4)	1 (0.4)	2 (0.4)	0	0	0
Very severe	3 (1.3)	2 (0.9)	5 (1.1)	0	0	0
Noteworthy reactions	7 (3.0)	12 (5.3)	19 (4.1)	6 (2.6)	11 (4.8)	17 (3.7)

BPO, benzoyl peroxide.