From: Intralesional cryotherapy versus excision and corticosteroids or brachytherapy for keloid treatment: study protocol for a randomised controlled trial
N
Minimum
Maximum
Mean
SD
POSAS baseline
73
30
93
60.45
12.276
POSAS 12 wk post op
44
18
85
50.65
15.474
POSAS 26 wk post op
46
17
83
49.23
15.854
POSAS 52 wk post op
33
24
81
46.18
13.959
POSAS overall
196
53.32
15.20