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

 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 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 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