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Number of PDT sessions performed
| Month | Control group | Group 1 | Group 2 | Statistical significancea |
|---|---|---|---|---|
| 3 | 14/15 (93%) | 5/14 (36%) | 1/15 (7%) | p < 0.000 |
| 6 | 10/15 (67%) | 3/14 (21%) | 2/15 (13%) | p = 0.004 |
| 9 | 7/15 (47%) | 1/14 (7%) | 0/14 (0%) | p = 0.032 |
| 12 | 5/15 (33%) | 0/14 (0%) | 0/14 (0%) | p = 0.005 |
| 15 | 2/14 (14%) | 2/14 (14%) | 0/14 (0%) | NS |
| 18 | 2/14 (14%) | 1/14 (7%) | 0/14 (0%) | NS |
| 21 | 0/13 (0%) | 0/13 (0%) | 0/13 (0%) | NS |
| 24 | 0/13 (0%) | 0/13 (0%) | 0/13 (0%) | NS |
Chi square test.
Abbreviation: NS, not statistically significant.
