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Table 1 Public-access defibrillation and favorable neurological outcome according to the period

From: Public-access defibrillation and favorable neurological outcome after out-of-hospital cardiac arrest during the COVID-19 pandemic in Japan

 

2019

2020

The same period as State of emergency in 2019 (April 7 to May 25)

State of emergency in 2020 (April 7 to May 25)

Other period in 2019

Other period in 2020

 

(n = 4959)

(n = 4869)

(n = 635)

(n = 587)

(n = 4324)

(n = 4282)

Public-Access Defibrillation

876 (17.7)

735 (15.1)

133 (20.9)

58 (9.9)

743 (17.2)

677 (15.8)

Crude OR (95% CI)

Reference

0.83 (0.74–0.92)

Reference

0.41 (0.30–0.58)

Reference

0.91 (0.81–1.01)

Adjusted OR (95% CI)*

Reference

0.86 (0.76–0.97)

Reference

0.45 (0.31–0.66)

Reference

0.93 (0.82–1.06)

Favorable neurological outcome

1245 (25.1)

1109 (22.8)

160 (25.2)

144 (24.5)

1085 (25.1)

965 (22.5)

Crude OR (95% CI)

Reference

0.88 (0.80–0.97)

Reference

0.97 (0.74–1.25)

Reference

0.87 (0.79–0.96)

Adjusted OR (95% CI)†

Reference

0.97 (0.87–1.07)

Reference

1.19 (0.88–1.60)

Reference

0.94(0.84–1.05)

  1. *Adjusted for age, sex, witnessed by family, dispatcher instruction, and EMS response time
  2. Adjusted for age, sex, witnessed by family, dispatcher instruction, public-access defibrillation, prehospital advanced airway management, prehospital adrenaline administration, and EMS response time
  3. OHCA indicates out-of-hospital cardiac arrest; OR, odds ratio; CI, confidence interval; EMS, emergency medicine personnel