Table 1.
Descriptive statistics of the overall study sample, and by study group. Significant differences between groups were measured using a two sample t-test or the appropriate nonparametric test (Wilcoxon rank-sum test or Chi-square test) if the normality assumption was not met
| Overall Study Sample | Treatment Allocation | ||
|---|---|---|---|
| 10,783 (100%) | Yes (%) | No (%) | |
| Medication Review | |||
| Yes | 6403 (59.4) | 59.4 | 40.6 |
| Hospital | |||
| VGH | 7434 (68.9) | 74.7*** | 60.5*** |
| LGH | 2676 (24.8) | 17.6*** | 26.3*** |
| RH | 673 (6.2) | 7.7*** | 4.1*** |
| Sex | |||
| Female | 6031 (55.9) | 56.5 | 55.2 |
| Male | 4752 (44.1) | 43.5 | 44.8 |
| Age | |||
| Median (IQR) | 70 (32) | 71 (31)** | 69 (33)** |
| 19–44 years | 1904 (17.7) | 16.9 | 18.8 |
| 45–64 years | 2703 (25.0) | 24.6 | 25.8 |
| 65–79 years | 2326 (21.6) | 21.8 | 21.1 |
| 80–105 years | 3850 (35.7) | 36.7 | 34.3 |
| CTAS | |||
| 2 (Emergency) | 2553 (23.7) | 23.2 | 24.3 |
| 3 (Urgent) | 6241 (57.9) | 58.3 | 57.2 |
| 4 (Semi-Urgent) | 1896 (17.6) | 17.6 | 17.5 |
| 5 (Non-Urgent) | 93(0.9) | 0.8 | 0.9 |
| Number of Active Medicationsa | |||
| Mean (SD) | 8.3 (5.8) | 8.4 (5.8)* | 8.1 (5.8)* |
| Discharged on index visit | |||
| Discharged | 6544 (60.7) | 60.3 | 61.3 |
| Admitted | 4239 (39.3) | 39.7 | 38.7 |
aWithin 6 months of index visit, *indicates p < 0.05, ** p < 0.01, and ***p < 0.001, by a two sample t-test