Table 2 Results of the non-inferiority trial COVID-19-groups vs. ERC-2021

No-flow time (sec)

5.9 [1.8–10.0] *

7.5 [5.1–9.9] §

-0.4 [-4.6–3.8]

3.5 [1.1–5.9] *

-0.8 [-5.0–3.4]

3.7 [1.3–6.1 ] *

Detection of cardiac arrest (sec)

-4.5 [-6.9 - -2.1] §

-0.5 [-2.3–1.2]

-4.6 [-7 - -2.1] §

-0.1 [-1.9 -1.7]

-5.7 [-8.1 - -3.3] §

-0.3 [-2.1–1.4]

Time to oxygen supply(sec)

-111.9 [-119.5 - -104.4] §

− 92.0 [-99.6 - -84.5] §

-111.5 [-119.1 - -103.8] §

-92.1 [-99.6 - − 84.5] §

-112.4 [-120.0 - -104.7] §

-92.3 [-99.8 - -84.7] §

Time to first chest compression (sec)

-3.8 [-6.4 - -1.2] *

3.2 [0.2–6.1] #

-4.6 [-7.3 - -2.0] $

2.9 [-0.1–5.9]

− 4.7 [-7.3 - -2.1] §

2.8 [-0.1–5.8]

Time to first ventilation (sec)

21.6 [5.1–38.2] *

23.2 [9.8–36.6] §

-21.5 [-38.3 - -4.6] *

-5.6 [-19.0–7.8]

-18.0 [-34.9 - -1.2] #

− 2.7 [-16.1–10.7]

Time to first rhythm analysis (sec)

-6.2 [-12.9–0.5]

1.4 [-4.6–7.6]

-6.8 [-13.5 - -0.02] #

-0.2 [-6.2–5.9]

-10.6 [-17.3 - -3.8] *

-2.5 [-8.6–3.6]

Time to second rhythm analysis (sec)

-4.35 [-14.1–5.4]

-5.3 [-17.4–6.7]

-7.6 [-17.5–2.1]

-5.4 [-17.5–6.6]

-14.9 [-24.9 - -4.8] *

-4.2 [-16.3–7.9]

Time to first intubation attempt (sec)

2.8 [-14.5–20.0]

13.3 [3.8–22.9] *

-5.9 [-23.5–11.6]

12.1 [2.6–21.7] *

-5.5 [-23.1–12.0]

8.9 [-0.7–18.4]

Time to successful intubation (sec)

-16.3 [-51.2–18.6]

21.0 [13.7–40.3] §

-13.7 [-49.2–21.8]

0.2 [-13.1–13.5]

-17.2 [-52.8–18.3]

0.5 [-12.8–13.8]

Duration of intubation (sec)

18.2 [10.0-26.5] §

14.1 [7.5–20.8] §

-6.6 [-15.0–1.7]

-5.9 [-12.5–0.8]

-5.9 [-14.2–2.5]

− 2.2 [-8.9–4.4]

Total number of chest compressions

-43.0 [-74.3- -11.6] *

− 61.7 [-83.7 - -39.7] §

15.3 [-16.4–47.1]

-34.9 [-56.9 - -12.9] *

20.5 [-11.2–52.3]

-25.7 [-47.7 - -3.7] #

Overall Resuscitation Quality (%)

-23.7 [-34.3 - -13.1] §

-17.8 [-28.9 - -6.7] *

-9.7 [-20.4–1.09]

-3.5 [-14.6–7.6]

-18.3 [-29.0–7.5]

− 8.2 [-19.2–2.9]