Table 3 All cause and overdose death before, during and after treatment during different calendar-periods (1997–1999, 2000–2002, 2003–2005 and 2006–2009); crude mortality rates (CMR) per 1000 person-years and 95% confidence interval
Pre treatment | In treatment | After treatment | |||||||
|---|---|---|---|---|---|---|---|---|---|
n | PY | CMR (CI) | n | PY | CMR (CI) | n | PY | CMR (CI) | |
1997–1999 | |||||||||
Overdose | 21 | 316 | 66.5 (38.1–94.9) | 25 | 4566 | 5.5 (3.3–7.6) | 24 | 553 | 43.4 (26.1–60.8) |
Non overdose | 6 | 316 | 19.0 (3.8–34.2) | 62 | 4566 | 13.6 (10.2–17.0) | 21 | 553 | 38.0 (21.7–54.3) |
All causes | 27 | 316 | 85.5 (53.2–117.7) | 87 | 4566 | 19.1 (15.1–23.1) | 45 | 553 | 81.4 (57.6–105.2) |
2000–20,002 | |||||||||
Overdose | 23 | 1025 | 22.4 (13.3–31.6) | 58 | 9197 | 6.3 (4.7–7.9) | 66 | 1729 | 38.2 (29.0–47.4) |
Non overdose | 1 | 1025 | 1.0 (0–2.9) | 78 | 9197 | 8.5 (6.6–10.4) | 26 | 1729 | 15.0 (9.3–20.8) |
All causes | 24 | 1025 | 23.4 (14.0–32.8) | 136 | 9197 | 14.8 (12.3–17.3) | 92 | 1729 | 53.2 (42.3–64.1) |
2003–2005 | |||||||||
Overdose | 13 | 1061 | 12.3 (5.6–18.9) | 53 | 9796 | 5.4 (4.0–6.9) | 47 | 1919 | 24.5 (17.5–31.5) |
Non overdose | 7 | 1061 | 6.6 (1.7–11.5) | 53 | 9796 | 5.4 (4.0–6.9) | 17 | 1919 | 8.9 (4.6–13.1) |
All causes | 20 | 1061 | 18.9 (10.6–27.1) | 106 | 9796 | 10.8 (8.8–12.9) | 64 | 1919 | 33.4 (25.2–41.5) |
2006–2009 | |||||||||
Overdose | 11 | 1185 | 9.3 (3.8–14.8) | 24 | 5613 | 4.3 (2.6–6.0) | 22 | 2618 | 8.4 (4.9–11.9) |
Non overdose | 7 | 1185 | 5.9 (1.4–10.3) | 25 | 5614 | 4.5 (2.7–6.2) | 7 | 2618 | 2.7 (0.7–4.7) |
All causes | 18 | 1185 | 15.2 (8.2–22.2) | 49 | 5614 | 8.7(6.3–11.2) | 29 | 2618 | 11.1 (7.0–15.1) |