Table 2. Quality Variables by Document Type.
| Quality Measure | Abstracts | Articles (n = 93) | |
|---|---|---|---|
| Not Subsequently Published (n = 36) | Subsequently Published (n = 93) | ||
| Jadad score, median (IQR) | 1 (1-2) | 1 (1-2) | 3 (2-5) |
| Risk of bias score, % (95% CI) | |||
| Low | 0 | 0 | 26.9 (18.9-36.7) |
| Unclear | 77.8 (61.9-88.3) | 89.2 (81.3-94.1) | 41.9 (32.4-52.1) |
| High | 22.2 (11.7-38.1) | 10.8 (5.9-19.3) | 31.2 (22.7-41.2) |
| Allocation concealment, % (95% CI) | |||
| Adequate | 0 | 0 | 62.4 (52.2-71.5) |
| Unclear | 100 | 100 | 1.1 (0.2-5.9) |
| Inadequate | 0 | 0 | 36.5 (27.5-46.7) |
| Funding source, % (95% CI) | |||
| Government | 0 | 5.4 (2.3-12.0) | 24.8 (17.4-33.9) |
| Pharmacy | 0 | 15.1 (9.2-23.7) | 28.7 (20.8-38.2) |
| Private | 0 | 4.3 (1.7-10.5) | 18.8 (12.4-27.5) |
| Unclear | 100 | 24.7 (17.1-34.4) | 27.7 (19.9-37.1) |
Abbreviation: IQR, interquartile range.