Table 4.
Overall incidence of suicidal drug overdose (per 10,000 person-years) and estimated hazard ratio according to copd patients with or without depression through the cox method.
| Comparison cohort | Total COPD | COPD without depression | COPD with depression | |
|---|---|---|---|---|
| Variable | (N=109,040) | (N=54,520) | (N=48,879) | (N=5,641) |
| Person-years | ||||
| Event, n | 1835 | 2741 | 2265 | 476 |
| Rate# | 6.11 | 23.8 | 20.9 | 71.2 |
| Crude HR (95% CI) | 1(Reference) | 3.83(3.61, 4.07)*** | 3.36(3.16, 3.58)*** | 11.5(10.4, 12.7)*** |
| Adjusted HR$ (95% CI) | 1(Reference) | 3.59(3.37, 3.81)*** | 3.24(3.04, 3.45)*** | 10.0(8.99, 11.2)*** |
| Crude HR (95% CI) | 1(Reference) | 3.42(3.10, 3.78)*** | ||
| Adjusted HR$ (95% CI) | 1(Reference) | 3.09(2.77, 3.4)*** |
#Incidence rate per 10,000 person-years. $Multivariable analysis included age, monthly income, urbanization level, and comorbidities of schizophrenia, alcohol-related illness, anxiety, mental disorders, insomnia, diabetes mellitus, hypertension, hyperlipidemia, chronic obstructive pulmonary disease, coronary artery disease, stroke, and cirrhosis. ***P < .001.