Table 4 Multivariable analysis for the 30-day favourable neurological outcome according to cerebral performance category (CPC 1 & 2) for all patients, excluding both patients without any resuscitation attempt (subgroup 1) and patients without any resuscitation attempt or ROSC already achieved (subgroup 2)

Non-traumatic cardiac arrest

11.07

(2.38; 51.42)

0.002

4.11

(0.89; 18.96)

0.070

3.59

(0.76; 17.02)

0.107

Asystole (first rhythm)

0.12

(0.04; 0.39)

< 0.001

0.11

(0.03; 0.37)

< 0.001

0.15

(0.05; 0.49)

0.002

Bystander CPR

10.34

(2.29; 46.72)

0.002

2.22

(0.58; 8.55)

0.247

1.90

(0.50; 7.31)

0.349

Ongoing CPR on HEMS arrival

0.17

(0.04; 0.65)

0.010

0.03

(0.00; 0.29)

0.003

0.11

(0.00; 3.25)

0.204

Adrenaline

0.14

(0.05; 0.39)

< 0.001

0.13

(0.05; 0.34)

< 0.001

0.21

(0.07; 0.59)

0.003

AUROC = 0.924.

AUROC = 0.939.

AUROC = 0.861.