Table 3 Reductions of standard and soft CI as a function of missing or varying information on CPR starting time or duration, or a combination of these characteristics, respectively
Standard CI is reduced to … | Soft CI is reduced to … | |
|---|---|---|
CPR not represented in … | ||
(1) one data source | 0.6 | 1.0 |
(2) two data sources | 0.3 | 1.0 |
Starting time varying by … | ||
(3) ± 20% | 0.629 | 0.629 |
(4) ±50% | 0.35 | 0.35 |
CPR duration varying by … | ||
(5) ± 20% | 0.783 | 0.783 |
(6) ± 50% | 0.567 | 0.567 |
Combination of (1), (3), and (5) | 0.3–0.35 | 0.5–0.583 |
Combination of (2), (4), and (6) | 0.080–0.100 | 0.267–0.333 |