Table 7.
Intergroup comparison of PGA
| PGA | Clear (90–100%) | Almost clear (75–<90%) | Marked improvement (50–<75%) | Moderate improvement (25 to <50%) | Slight improvement (1 to <25%) | No improvement (0) | Worse (negative) | P-value* | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Week | A | B | A | B | A | B | A | B | A | B | A | B | A | B | |
| 4th (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 4 | 16 | 23 | 5 | 2 | 0 | 0.000 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 13.8 | 53.3 | 79.3 | 16.7 | 6.9 | 0 | ||
| 8th (%) | 0 | 0 | 0 | 5 | 0 | 3 | 1 | 10 | 7 | 11 | 19 | 1 | 2 | 0.000 | |
| 0 | 0 | 0 | 16.7 | 0 | 10 | 3.4 | 33.3 | 24.1 | 36.7 | 65.5 | 3.3 | 6.9 | 0 | ||
| 12th (%) | 0 | 5 | 0 | 2 | 0 | 5 | 3 | 8 | 13 | 8 | 12 | 0 | 1 | 2 | 0.000 |
| 0 | 16.7 | 0 | 6.7 | 0 | 16.7 | 10.3 | 26.7 | 44.8 | 26.7 | 41.4 | 0 | 3.4 | 6.7 | ||
*Pearson’s χ2 test