Table 2

 Summary of response at week 6 according to site, sex, coexistent inflammatory bowel disease (IBD), and duration of disease

Improved (%)Remission (%)No response (%)p Value
p values were calculated using Fisher’s exact test to compare those who had improved with those who had exhibited no response (those in remission are a subgroup of those who had improved).
Site of PG
    Limbs (n = 15)12 (80)4 (27)3 (20)
    Peristomal (n = 9)6 (67)2 (22)3 (33)
    Perineum (n = 5)2 (40)03 (60)0.284
Sex
    Male (n = 13)9 (69)3 (23)4 (31)
    Female (n = 16)11 (69)3 (19)5 (31)1.000
Coexisting disease
    No IBD (n = 11)8 (73)2 (18)3 (27)
    IBD (n = 18)12 (67)4 (22)6 (33)1.00
    Ulcerative colitis (n = 6)3 (50)03 (50)
    Crohn’s disease (n = 12)9 (75)4 (33)3 (25)0.593
Duration of PG
    ⩽12 weeks (n = 14)13 (93)4 (31)1 (7)
    ⩾12 weeks (n = 15)7 (47)2 (13)8 (53)0.014
Total (n = 29)20 (69)6 (21)9 (31)