| Variable | Less than 2 drugs | Polypharmacy | Total | P Value | |
| Minor (2 - 4 drugs) | Major (5 or more) | ||||
| Age (Years) | 0.012 | ||||
| 60 - 69 | 17 (8.1%) | 135 (64.3%) | 58 (27.6%) | 210 | |
| 70 - 79 | 23 (21.3%) | 57 (52.8%) | 28 (25.9%) | 108 | |
| ≥80 | 6 (18.2%) | 21 (63.6%) | 6 (18.2%) | 33 | |
| Total | 46 (13.1) | 213 (60.7%) | 92 (26.2%) | 351 | |
| Gender | 0.5 | ||||
| Male | 24 (14.9%) | 98 (60.9%) | 39 (24.2%) | 161 | |
| Female | 22 (11.6%) | 115 (60.5%) | 53 (27.9%) | 190 | |
| Total | 46 (13.1%) | 213 (60.7%) | 92 (26.2%) | 351 | |