Table 4: Mean ulceration area (cm2) according to the duration of treatment.

Duration of treatmentGroup 1Group 2  Statistical
significance
between groups
Ulceration area Ulceration area

Before8.35 ± 0.72a288.29 ± 0.80a28NS
1 week6.42 ± 0.82a246.87 ± 0.69a28NS
2 weeks5.00 ± 0.89a205.94 ± 0.73a28
3 weeks3.44 ± 0.72a125.36 ± 0.73a28
4 weeks1.98 ± 0.88a85.10 ± 0.7622
5 weeks0.72 ± 0.22a35.19 ± 0.8122
6 weeks0.0005.24 ± 0.8822
7 weeks5.21 ± 1.06a22
8 weeks4.61 ± 1.2a17
9 weeks4.02 ± 1.22a17
10 weeks3.11 ± 1.12a17
11 weeks2.24 ± 1.09a17
12 weeks1.54 ± 0.89a12
13 weeks0.98 ± 0.4912
14 weeks0.74 ± 0.30a7
15 weeks0.38 ± 0.06a3
16 weeks0.000

Statistical significance aP < 0.005 compared with the next week following day of measurement.