Skip to main content

Advertisement

Table 4 Comparison of ORs and risk differences among the original group and matched cohorts

From: End-tidal carbon dioxide monitoring may be associated with a higher possibility of return of spontaneous circulation during out-of-hospital cardiac arrest: a population-based study

   ETCO2 group (n) Untreated group (n) ORs (95 % CI) Risk differences (95 % CI)
Original group ROSC(+) 25 633 2.95 (1.83–4.74) 0.17 (0.07–0.27)
ROSC(−) 58 4325
1:4 matched cohort ROSC(+) 25 56 2.12 (1.23–3.68) 0.13 (0.02–0.23)
ROSC(−) 58 276
1:20 matched cohort ROSC(+) 15 150 2.39 (1.29–4.46) 0.14 (0.02–0.26)
ROSC(−) 38 910