|  | Control group (n = 40) | Test group (n = 40) | χ2 | P |
---|---|---|---|---|---|
Pretreatment baseline | difference | 85% (n = 34) | 80% (n = 32) | 0.346 | 0.770 |
Fair | 15% (n = 6) | 20% (n = 8) | |||
Good | 0 (n = 0) | 0 (n = 0) | |||
Excellent | 0 (n = 0) | 0 (n = 0) | |||
6 weeks after treatment | difference | 5% (n = 2) | 0 (n = 0) | 8.140 | 0.024 |
Fair | 50% (n = 20) | 30% (n = 12) | |||
Good | 45% (n = 18) | 62.5% (n = 25) | |||
Excellent | 0 (n = 0) | 7.5% (n = 3) | |||
12 weeks after treatment | difference | 10% (n = 4) | 0 (n = 0) | 8.498 | 0.025 |
Fair | 70% (n = 28) | 60% (n = 24) | |||
Good | 20% (n = 8) | 32.5% (n = 13) | |||
Excellent | 0 (n = 0) | 7.5% (n = 3) |