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Table 2 Results of analysis of study outcomes using propensity score matching

From: Open-chest versus closed-chest cardiopulmonary resuscitation in blunt trauma: analysis of a nationwide trauma registry

Outcomes

Number of patients (%) OCCPR/CCCPR

Odds ratio (95% confidence interval)

P value

Unmatched cohort (OCCPR, 2192 patients; CCCPR, 4318 patients)

 Survival to hospital discharge

40 (1.8)/156 (3.6)

0.49 (0.34–0.71)

<0.001

 Survival over 24 hours after ED arrival

123 (5.6)/416 (9.6)

0.56 (0.45–0.70)

<0.001

Matched cohort (OCCPR, 1804 patients; CCCPR, 1804 patients)

 Survival to hospital discharge

22 (1.2)/60 (3.3)

0.41 (0.25–0.68)

<0.001

 Survival over 24 hours after ED arrival

89 (4.9)/147 (8.1)

0.59 (0.45–0.79)

<0.001

  1. Abbreviations: OCCPR open-chest cardiopulmonary resuscitation, CCCPR closed-chest cardiopulmonary resuscitation, ED emergency department