Measure of additive interaction | Estimates (95% confidence intervals) | |
---|---|---|
COVID-19 mortality | Severe COVID-19 | |
RERI | 0.92 (0.57–1.27) | 0.53 (0.29–0.78) |
Attributable portion | 0.36 (0.23–0.49) | 0.22 (0.12–0.31) |
Synergy index | 2.45 (1.42–4.25) | 1.58 (1.22–2.04) |