Table 1.
The standardized mortality rate (SMR) of subjects with a mild (IQ 50–69) and a severe (Q < 50) intellectual disability (ID) during 1996–2011 according age
| Person years | Number of death | SMR (95% CI)a | ||
|---|---|---|---|---|
| Observed | Expected | |||
| Mild ID | 151835 | 1698 | 177.0 | 2.28 (2.18 to 2.39) |
| 0–14 | 12735 | 8 | 1.9 | 4.21 (1.82 to 8.30) |
| 15–29 | 24006 | 41 | 17.5 | 2.34 (1.68 to 3.18) |
| 30–44 | 38841 | 163 | 58.9 | 2.77 (2.36 to 3.23) |
| 45–59 | 54562 | 693 | 266.8 | 2.60 (2.41 to 2.80) |
| ≥60 | 21691 | 793 | 398.9 | 1.99 (1.85 to 2.13) |
| Severe ID | 227152 | 3473 | 1019.1 | 3.41 (3.30 to 3.52) |
| 0–14 | 33211 | 110 | 8.3 | 13.26 (10.90 to) |
| 15–29 | 46850 | 279 | 31.8 | 8.77 (7.77 to 9.87) |
| 30–44 | 57019 | 525 | 87.6 | 5.99 (5.49 to 5.53) |
| 45–59 | 63941 | 1369 | 317.0 | 4.32 (4.09 to 4.55) |
| ≥60 | 26131 | 1190 | 574.3 | 2.07 (1.96 to 2.19) |
a
Standardized mortality rate.