Table 1.

Background and number of acne patients.

	Control group	KRT group	Sum of the groups
Assigned number	31	33	64
FAS/SES number	29	29	58
PPS number
Entry	28	24	52
2nd week	24	23	47
4th week	20	22	42
8th week	21	19	40
12th week	16	14	30
Age (year)	24.0±9.0	24.3±5.9	24.1±7.7
Gender M/F	12 / 16	9 / 15	21 / 31
Disease duration (year)	5.2±7.9	3.2±2.9	4.3±6.2
Severity poluration at entry (%)
Mild	6 (21.4%)	3 (12.5%)	9 (17.3%)
Moderate	19 (67.9%)	18 (75.0%)	37 (71.2%)
Severe	2 (7.1%)	3 (12.5%)	5 (9.6%)
Very severe	1 (3.6%)	0	1 (1.9%)
Number of rash at entry
Total rash	33.7±28.8	26.2±19.9	30.2±25.1
Inflammatory rash	14.6±22.3	12.5±9.9	13.7±17.6
Non-inflammatory rash	19.0±21.1	13.7±16.5	16.6±19.1

Patients were randomized into the conventional treatment group (control group) or the conventional treatment and Keigairengyoto group (KRT group), and they were treated for 12 weeks. Data on age, disease duration, and amount of acne at entry are shown as the mean ± standard deviation.

FAS, full analysis set; SES, safety evaluation set; PPS, per protocol set.