8-week group N = 23 (%) | 1-week group N = 22 (%) | P -value* | |||||
---|---|---|---|---|---|---|---|
Ulcer stage | After 4 weeks | H1 | 0 | (0) | 2 | (9.1) | 0.323 |
H2 | 19 | (82.6) | 12 | (54.5) | |||
S1 | 4 | (17.4) | 8 | (36.4) | |||
S2 | 0 | (0) | 0 | (0) | |||
After 8 weeks | H1 | 0 | (0) | 0 | (0) | 1.000 | |
H2 | 1 | (4.3) | 2 | (9.1) | |||
S1 | 21 | (91.3) | 18 | (81.8) | |||
S2 | 1 | (4.3) | 2 | (9.1) |