Table 8. Drugs-related Death Rates Soon After Hospital-discharge Within 28 and 90 Days After Hospital-discharge by Duration of Hospital-stay and Main Discharge-diagnosis Versus Ever-IDU and Reported Misuse of Alcohol, SDMD Cohort, Scotland, 1996–2010.
| Soon after hospital-discharge | Within 28 days after discharge | Within 90 days after discharge | ||||||
|---|---|---|---|---|---|---|---|---|
| DRD | Pys | Rate | (95% CI) | DRD | Pys | Rate | (95% CI) | |
| Rate for SDMD cohort, 1996–2010 | 290 | 12,270 | 23.6 | (21.0, 26.5) | 528 | 32,091 | 16.5 | (15.1, 17.9) |
| By injector status | ||||||||
| Ever-IDU | 222 | 6,998 | 31.7 | (27.7, 36.2) | 393 | 18,504 | 21.2 | (19.1, 23.3) |
| Never or not known to have injected | 68 | 5,271 | 12.9 | (10.0, 16.4) | 135 | 13,587 | 9.9 | (8.3, 11.6) |
| By reported misuse of alcohol | ||||||||
| Yes | 89 | 2,655 | 33.5 | (26.9, 41.3) | 136 | 6,748 | 20.2 | (16.8, 23.5) |
| No | 201 | 9,615 | 20.9 | (18.1, 24.0) | 392 | 25,343 | 15.5 | (13.9, 17.0) |
| By duration of hospital-stay | ||||||||
| 0–1 day | 160 | 6,781 | 23.6 | (20.1, 27.5) | 277 | 17,957 | 15.4 | (13.7, 17.4) |
| 2+ days | 130 | 5,488 | 23.7 | (19.8, 28.1) | 251 | 14,134 | 17.8 | (15.6, 20.1) |
| By main discharge-diagnosis | ||||||||
| Other diagnoses a | 93 | 5,836 | 15.9 | (12.9, 19.5) | 205 | 16,607 | 13.1 | (11.4, 15.1) |
| Drugs-related morbidity b | 74 | 1,899 | 39.0 | (30.1, 47.8) | 137 | 4,996 | 27.4 | (22.8, 32.0) |
| Mental and behavioral disorders c | 54 | 1,503 | 35.9 | (27.0, 46.9) | 80 | 3,782 | 21.2 | (16.8, 26.3) |
| Diseases of the respiratory system | 22 | 596 | 36.9 | (23.1, 55.9) | 34 | 1,559 | 21.8 | (15.1, 30.5) |
| Cancer | 3 | 116 | 25.8 | (5.3, 75.4) | 3 | 199 | 15.1 | (3.1, 44.1) |
| Infectious and parasitic diseases | 6 | 260 | 23.1 | (8.5, 50.2) | 7 | 688 | 10.2 | (4.1, 21.0) |
| Diseases of the circulatory system | 12 | 576 | 20.8 | (10.8, 36.4) | 21 | 1,502 | 14.0 | (8.7, 21.4) |
| Endocrine, nutritional and metabolic diseases | 3 | 149 | 20.1 | (4.2, 58.9) | 5 | 344 | 14.5 | (4.7, 33.9) |
| Diseases of the digestive system | 22 | 1,165 | 18.9 | (11.8, 28.6) | 32 | 1,974 | 10.8 | (7.4, 15.2) |
| Diseases of the nervous system | 1 | 170 | 5.9 | (0.1, 32.8) | 4 | 440 | 9.1 | (2.5, 23.3) |
Abbreviations: DRD, drugs-related death; SDMD, Scottish Drugs Misuse Database; Pys, Person-years; CI, Confidence Interval; IDU, Injecting Drug User
a All diagnoses not included in specified groups
b Diagnoses related to drug misuse, (a) Poisonings by drugs, medicaments & biological substances and (b) Mental & behavioral disorders due to psychoactive substance
c All mental and behavioral disorders, excluding those due to psychoactive substances