Table 2 Mortality incidence rate in household secondhand smoke exposed and unexposed group
From: Association of household secondhand smoke exposure and mortality risk in patients with heart failure
| Number of mortality | Person-year | Incidence rate, per 1000 person-year | |
|---|---|---|---|
| Exposed | 72 | 817.8 | 88.0 |
| Unexposed | 403 | 4,48.8 | 90.4 |