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Table 4 Stratified analyses by the timing of matching in matched cohort

From: Extracorporeal cardiopulmonary resuscitation for adult out-of-hospital cardiac arrest patients: time-dependent propensity score-sequential matching analysis from a nationwide population-based registry

 

No ECPR

ECPR

Risk ratio (95% CI)

 

n/N (%)

n/N (%)

 

Good neurological recovery

Timing: 01–30 min

21/300 (7.0%)

13/75 (17.3%)

2.51 (1.33–4.75)

Timing: 31–45 min

47/632 (7.4%)

21/158 (13.3%)

1.81 (1.11–2.93)

Timing: 46–60 min

41/604 (6.8%)

11/151 (7.3%)

1.07 (0.56–2.04)

Timing: 61- min

18/296 (6.1%)

2/74 (2.7%)

0.45 (0.11–1.91)

Survival to discharge

Timing: 01–30 min

48/300 (16.0%)

20/75 (26.7%)

1.78 (0.50–6.43)

Timing: 31–45 min

94/632 (14.9%)

29/158 (18.4%)

1.23 (0.85–1.79)

Timing: 46–60 min

75/604 (12.4%)

13/151 (8.6%)

0.69 (0.39–1.21)

Timing: 61- min

37/296 (12.5%)

5/74 (6.8%)

0.54 (0.22–1.33)

  1. ECPR Extracorporeal cardiopulmonary resuscitation; CI Confidence interval