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Table 1 Summary of outcomes from analyses of the All-Japan out-of-hospital cardiac arrest registry

From: The role of adrenaline in cardiopulmonary resuscitation

Author Hagihara Nakahara Nakahara
Period 2005–2008 2007–2010 2007–2010
Subset NA Shockable Non-shockable
Total number of cases 417,188 14,943 81,136
ROSC
 ROSC with adrenaline (unadjusted) 18.5% 21.6% 18.5%
 ROSC without adrenaline (unadjusted) 5.7% 28.1% 5.7%
 Adjusted OR (95% CI) 3.75 (3.59–3.91)a NA NA
One-month survival
 One-month survival with adrenaline (unadjusted) 5.4% 16.5% 3.9%
 One-month survival without adrenaline (unadjusted) 4.7% 28.8% 4.2%
 Adjusted OR (95% CI) 0.54 (0.43–0.68)a 1.34 (1.12–1.60)b 1.72 (1.45–2.04)b
CPC 1–2
 CPC 1–2 with adrenaline (unadjusted) 1.4% 6.9% 0.6%
 CPC 1–2 without adrenaline (unadjusted) 2.2% 19.8% 1.5%
 Adjusted OR (95% CI) 0.21 (0.10–0.44)a 1.01 (0.78–1.30)b 1.57 (1.04–2.37)b
  1. aData adjusted for propensity and all covariates
  2. bTime-dependent propensity score-matched data