Outcomes of emergency department visits*
| Outcome | Unmatched cohort | Matched cohort | ||||||
|---|---|---|---|---|---|---|---|---|
| No. (%)† of adolescents with no self-harm visits n = 397 973 | No. (%)† of adolescents with ≥ 1 self-harm visits n = 5832 | Total n = 403 805 | D | No. (%)† of adolescents with no self-harm visits n = 10 731 | No. (%)† of adolescents with ≥ 1 self-harm visits n = 5661 | Total n = 16 392 | D | |
| Readmissions to emergency department or hospital for self-harm | 7252 (1.8) | 1718 (29.5) | 8970 (2.2) | 1.88 | 637 (5.9) | 1626 (28.7) | 2263 (13.8) | 0.66 |
| Suicides | 199 (0.1) | 43 (0.7) | 242 (0.1) | 0.29 | 10 (0.1) | 42 (0.7) | 52 (0.3) | 0.12 |
| Deaths | 937 (0.2) | 61 (1.0) | 998 (0.3) | 0.16 | 34 (0.3) | 58 (1.0) | 92 (0.6) | 0.09 |
| Lower-bound estimates of 5-year health care costs, mean ± SD | 9271 ± 32 829 | 31 698 ± 64 011 | 9595 ± 33 593 | 0.44 | 19 055 ± 53 767 | 30 388 ± 61 312 | 22 969 ± 56 742 | 0.20 |