Table 1.
Between-group differences in preoperative, intraoperative, and postoperative data
| Characteristics | PS (N = 23) | MS (N = 27) | MK (N = 24) | PK (N = 30) | p-value | |
|---|---|---|---|---|---|---|
| Sex | Male | 16 (69.57%) | 12 (44.44%) | 12 (50.0%) | 13 (43.33%) | 0.226 |
| Female | 7 (30.43%) | 15 (55.56%) | 12 (50.0%) | 17 (56.67%) | ||
| Employment | Not working | 8 (34.78%) | 13 (48.14%) | 13 (54.17%) | 13 (43.33%) | 0.446 |
| Active worker | 4 (17.39%) | 4 (14.81%) | 5 (20.83%) | 10 (33.33%) | ||
| Retired | 10 (43.48%) | 7 (25.93%) | 6 (25.0%) | 5 (16.67%) | ||
| Chemotherapy | 9 (39.13%) | 12 (44.44%) | 10 (41.67%) | 14 (46.67%) | 0.930 | |
| Radiotherapy | 10 (43.48%) | 11 (25%) | 10 (41.67%) | 14 (46.67%) | 0.978 | |
| Married | 4 (17.39%) | 1 (3.7%) | 2 (8.33%) | 4 (13.33%) | 0.408 | |
PS, placebo-saline; MS, melatonin-saline; MK, melatonin-ketamine; PK, placebo-ketamine