Table 1.
Patient characteristics and in-hospital deaths
| n (%) | Deaths (%) | p value | |
|---|---|---|---|
| Total | 6937 | 195 (2.8) | |
| Sex | <.001 | ||
| Male | 361 (5.2) | 22 (6.1) | |
| Female | 6576 (94.8) | 173 (2.6) | |
| Age at first hospitalization | 0.009 | ||
| 12–15 | 1373 (19.8) | 2 (0.0) | |
| 16–19 | 942 (13.6) | 7 (0.1) | |
| 20–29 | 1262 (18.2) | 18 (0.3) | |
| 30–39 | 1305 (18.8) | 41 (0.6) | |
| 40–49 | 1060 (15.3) | 41 (0.6) | |
| 50–59 | 485 (7.0) | 27 (0.4) | |
| 60–69 | 196 (2.8) | 17 (0.2) | |
| 70–79 | 148 (2.1) | 15 (0.2) | |
| ≥ 80 | 166 (2.4) | 27 (0.4) | |
| Proportion of actual weight to ideal weight (SD) | <.001 | ||
| 61.5 (9.1) | 55.0 (9.4) | ||
| Charlson Comorbidity Index | <.001 | ||
| 0 | 5913 (85.2) | 127 (1.8) | |
| 1 | 189 (2.7) | 13 (0.2) | |
| 2 | 724 (10.4) | 38 (0.5) | |
| ≥ 3 | 111 (1.6) | 17 (0.2) | |
| Hospital Type | <.001 | ||
| University | 3047 (43.9) | 163 (2.3) | |
| Non-university | 3890 (56.1) | 32 (0.5) | |
| Frequency of hospitalization | 0.128 | ||
| 1 | 4940 (71.2) | 154 (2.2) | |
| 2 | 1141 (16.4) | 23 (0.3) | |
| 3 | 401 (5.8) | 10 (0.1) | |
| 4 | 210 (3.0) | 2 (0.0) | |
| 5 | 70 (1.0) | 3 (0.0) | |
| ≥ 6 | 166 (2.4) | 3 (0.0) | |
| Maximum | 30 | 8 | |
| Physical status at admission | |||
| Bradycardia | 43 (0.6) | 1 (0.0) | 0.999 |
| Hypotension | 146 (2.1) | 34 (0.5) | <.001 |
| Other psychological disorder | |||
| Anxiety disorder | 678 (9.8) | 7 (0.1) | 0.002 |
| Mood disorder | 898 (12.9) | 20 (0.3) | 0.329 |
| Schizophrenia | 533 (7.7) | 12 (0.2) | 0.496 |
| Binge eating and purging | 745 (10.7) | 10 (0.1) | 0.009 |