Maayke Hunfeld

197 Shockable rhythm and outcome Supplementary Table 2. Univariable and multivariable logistic regression analyses of all children with survival with favorable neurologic outcome as dependent variable by age. Survival with post-arrest PCPC 1-2 or ∆ PCPC 0 at the longest follow-up interval f Crude Adjusted a,b,c,d,e Crude Adjusted a,b,c,d,e Variable OR [95%CI] p-Value OR [95%CI] p-Value OR [95%CI] p-Value OR [95%CI] p-Value Below 8 years (n = 256) 8 years and above (n = 104) Initial non-shockable rhythm a referent referent referent referent Initial shockable rhythm a 1.0 [0.4 - 2.4] 0.974 0.6 [0.2 - 1.7] 0.327 14.2 [9.2 - 21.8] <0.001 22.7 [11.6 - 44.8] <0.001 Initial unknown rhythm a 27.2 [20.0 - 37.1] <0.001 5.6 [3.6 - 8.8] <0.001 49.0 [19.3 - 124.3] <0.001 25.1 [7.5 - 84.1] <0.001 AED use b 0.2 [0.1 - 0.4] <0.001 0.1 [0.0 - 0.2] <0.001 2.6 [1.7 - 4.0] <0.001 1.3 [0.5 - 2.9] 0.592 Bystander BLS c 4.7 [3.5 - 6.4] <0.001 2.0 [1.3 - 3.1] 0.001 3.7 [2.5 - 5.6] <0.001 2.1 [1.1 - 4.2] 0.022 Year of event d 1.1 [1.1 - 1.1] <0.001 1.2 [1.1 - 1.2] <0.001 1.1 [1.1 - 1.2] <0.001 1.2 [1.1 - 1.2] <0.001 Post AED guideline change e 2.6 [2.1 - 3.3] <0.001 2.8 [2.0 - 3.9] <0.001 2.1 [1.5 - 3.1] <0.001 2.4 [1.4 - 4.3] 0.002 Abbreviations: AED = Automatic external defibrillator, BLS = Basic life support, CPR = Cardiopulmonary resuscitation, PCPC = Pediatric Cerebral Performance Category, ROSC = Return of spontaneous circulation. a Adjusted for witnessed arrest, bystander CPR, age at arrest, year of event, first lactate, pre-existing conditions related to event and CPR duration. b Adjusted for initial rhythm (shockable/non-shockable/unknown), bystander CPR, age at arrest, year of event, first lactate, socio-economic status and CPR duration. c Adjusted for initial rhythm (shockable/non-shockable/unknown), year of event, first lactate, socio-economic status and CPR duration. d Adjusted for initial rhythm (shockable/non-shockable/unknown). e Adjusted for initial rhythm (shockable/non-shockable/unknown), bystander CPR, age at arrest, socio-economic status and CPR duration. 6