Table 4. Drugs-related Death Rates by Follow-up Era and Time Since Hospital-discharge: Unadjusted, SDMD Cohort, Scotland, 1996–2010.
| By follow-up era: | Apr 1996–Mar 2006 | Apr 2006–Mar 2010 | ||||||
|---|---|---|---|---|---|---|---|---|
| DRD | Pys | Rate | (95% CI) | DRD | Pys | Rate | (95% CI) | |
| Time since hospital-discharge | ||||||||
| Never Admitted | 458 | 257,643 | 1.8 | (1.6, 2.0) | 253 | 209,031 | 1.2 | (1.1, 1.4) |
| Hospitalized | 125 | 1,697 | 73.6 | (61.3, 87.8) | 75 | 1,497 | 50.1 | (39.4, 62.8) |
| Within 28 days | 165 | 6,714 | 24.6 | (21.0, 28.6) | 125 | 5,556 | 22.5 | (18.7, 26.8) |
| 29–90 days | 131 | 10,918 | 12.0 | (10.0, 14.2) | 107 | 8,903 | 12.0 | (9.9, 14.5) |
| 91 days– 1-year | 271 | 32,698 | 8.3 | (7.3, 9.3) | 235 | 27,306 | 8.6 | (7.5, 9.8) |
| 1+ years | 259 | 61,446 | 4.2 | (3.7, 4.8) | 319 | 82,128 | 3.9 | (3.5, 4.3) |
Abbreviations: DRD, drugs-related death; SDMD, Scottish Drugs Misuse Database; Pys, Person-years; CI, Confidence Interval