Table 3.
The Number of Patients Who Utilized Health-Care Services at Any Time during the Entire Follow-Up Period.
| Health-Care Service | Depression, N (%) | Nondepression, N (%) |
|---|---|---|
| Any physician visit | 189,954 (99.9) | 367,337 (97.1) |
| Family doctor visit | 189,325 (99.6) | 364,065 (96.3) |
| Specialist visit | 184,627 (97.1) | 338,991 (89.6) |
| Psychotherapy/consultationa | 150,665 (79.3) | 144,995 (38.3) |
| Hospitalizationb | 117,496 (61.8) | 155,890 (41.2) |
| Hospital readmission | 31,606 (16.6) | 30,105 (8.0) |
| ICU admission | 16,633 (8.8) | 18,594 (4.9) |
| Hospitalization due to self-harmc | 3,658 (1.9) | 291 (0.1) |
| Presented to emergency departmentd | 110,636 (58.2) | 150,210 (39.7) |
| Admitted to hospital from emergency departmente | 46,897 (24.7) | 47,501 (12.6) |
a See Supplementary Table 3 for codes defining psychotherapy.
b Incidence rate ratio (IRR) is 1.56 (95% CI, 1.55 to 1.57) for depression relative to nondepression.
c IRR is 19.53 (95% CI, 17.31 to 22.09) for depression relative to nondepression.
d IRR is 1.65 (95% CI, 1.63 to 1.66) for depression relative to nondepression.
e IRR is 1.82 (95% CI, 1.80 to 1.85) for depression relative to nondepression.