Table 2.
Summary of overall prevalence of suicide behaviors between the MDD group and non-MDD groups.
| MDD group | Non-MDD group | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Categories (no. of studies) | Events | Total | Events | Total | OR | 95% CI (%) | p value | I 2 | |
| Suicide attempts | |||||||||
| Lifetime | 7 | 379 | 2,214 | 666 | 27,725 | 3.45 | (1.58–7.52) | 0.002 | 94.81 |
| Past year | 2 | 207 | 7,197 | 265 | 41,552 | 7.34 | (2.14–25.16) | 0.002 | 88.64 |
| Recent | 1 | 3 | 50 | 5 | 31 | 0.33 | (0.07–1.50) | 0.15 | 0 |
| Suicide ideation | |||||||||
| Lifetime | 2 | 451 | 803 | 1,470 | 11,602 | 2.88 | (0.30–27.22) | 0.36 | 93.77 |
| Recent | 1 | 29 | 50 | 15 | 31 | 1.47 | (0.60–3.63) | 0.40 | 0 |
| Past month | 1 | 67 | 190 | 54 | 4,999 | 49.88 | (33.42–74.46) | <0.001 | 0 |
| Past year | 1 | 1,409 | 6,999 | 630 | 35,552 | 13.97 | (12.67–15.41) | <0.001 | 0 |
| Past 2 weeks | 1 | 50 | 205 | 36 | 2,805 | 24.81 | (15.70–39.22) | <0.001 | 0 |
| Suicide plan | |||||||||
| Lifetime | 1 | 136 | 753 | 262 | 11,571 | 9.51 | (7.62–11.88) | <0.001 | 0 |
| Suicide behavior | |||||||||
| Lifetime | 1 | 12 | 50 | 20 | 31 | 0.17 | (0.06–0.46) | <0.001 | 0 |
| Recent | 1 | 8 | 50 | 8 | 31 | 0.55 | (0.18–1.65) | 0.29 | 0 |
| Completed suicide | |||||||||
| Lifetime | 2 | 10 | 114 | 6 | 49 | 0.69 | (0.23–2.02) | 0.50 | 0 |