“…Herein, 438 and 195 patients were matched for 30-day survival and neurological outcome evaluation, respectively (4,7,9,11,14). Despite a major reduction in the number of included patients, results remain in favor of E-CPR group for both 30-day survival rates (risk difference 14%; 95% CI 2-25%; P=0.02; number needed to treat 7.1) and favorable neurological outcome (risk difference 13%; 95% CI 7-20%; P=0.0001; NNT 7.7) ( Table 1).…”