Maayke Hunfeld

182 Chapter 6 Overall Favorable outcome Non-favorable outcome (n = 360) (n = 115) (n = 244) n a n a n a p-Value d Missings c CPR duration (minutes) b 291 30.0 8.0 - 75.0 89 4.0 2.0 - 8.0 202 57.0 25.0 - 83.0 <0.001 69 19% Initial rhythm c 351 115 237 <0.001 9 3% - Shockable (VF) 48 14% 27 23% 21 9% <0.001 - Unknown/ROSC before EMS arrival 70 20% 57 50% 13 5% <0.001 - Non-shockable 233 66% 31 27% 202 85% <0.001 Asystole 172 74% 11 35% 161 80% <0.001 PEA 23 10% 4 13% 19 9% 0.113 Bradycardia 38 16% 15 48% 23 11% 0.373 Other 1 3% 1 3% 0 0% 0.331 Cause of arrest c 360 115 245 <0.001 0 - Unknown/Not documented 27 8% 3 3% 24 10% 0.024 - ALTE/SIDS 54 15% 17 15% 37 15% 1.000 - Airway obstruction 41 11% 7 6% 34 14% 0.047 - Arrythmia 47 13% 30 26% 17 7% <0.001 - Drowning 100 28% 45 39% 55 22% 0.002 - Electrolyte abnormality 3 1% 0 0% 3 1% 0.554 - Elevated ICP 10 3% 0 0% 10 4% 0.034 - Hypotension/Shock 30 8% 2 2% 28 11% 0.001 - Ingestion/Toxin 2 1% 2 2% 0 0% 0.103 - Other repiratory failure 33 9% 8 7% 25 10% 0.336 - Seizures 13 4% 1 1% 12 5% 0.043 ECPR c 360 13 4% 115 4 3% 245 9 4% 1.000 0 First pH after ROSC or after hospital arrival b 336 6.95 6.71 - 7.21 109 7.24 7.09 - 7.33 227 6.79 6.60 - 7.03 <0.001 24 7%