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Table 2 Baseline characteristics of study patients with acne (n = 123)

From: Comparison of efficacy of commercially available vs. freshly prepared salicylic acid peel in treatment of acne: a randomized open-label study

Characteristic No. of patients in commercially available SA peel group; n = 60(%) No. of patients in freshly prepared SA peel group; n = 63(%) Total
n = 123(%)
Chi-square test (P value)
Age in years
 12–20 24 18 42 (34.15)  
 21–30 30 38 68 (55.28) 0.05
 31–40 6 7 13 (10.57)  
Mean age (mean ± SD) 23.47 ± 5.62 22.99 ± 6.35 0.62
Gender (M:F) 0.62:1 0.66:1 0.54
Skin type
 2 2 3 5 (4.07) 0.71
 3 21 25 46 (37.40) 0.64
 4 34 30 64 (52.03) 0.42
 5 3 5 8 (6.50) 0.5
Common presentation
 Papules 60 63 123(100) 0.45
 Pustules 12 16 28 (22.76) 0.68
 Nodules 6 9 15 (12.20) 0.42
 Comedones 56 54 110 (89.43) 0.53
Grading of acne
 Grade 1 23 27 50 0.08
 Grade 2 32 30 62 0.06
 Grade 3 5 4 9 0.68
 Grade 4 0 2 2 0.53
  1. Chi-square test; P value < 0.05 is considered significant
  2. SD standard deviation, M:F male to female ratio