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Table 2 Odds ratios for cardiopulmonary resuscitation duration and 1-month survival with favourable neurological outcome by location of arrest

From: Prehospital cardiopulmonary resuscitation duration and neurological outcome after out-of-hospital cardiac arrest among children by location of arrest: a Nationwide cohort study

Outcome All patients (n = 3913) Residential locations (n = 2865) Public locations (n = 1048)
n/N % Crude OR (95% CI) Adjusted OR (95% CI) n/N % Crude OR (95% CI) Adjusted OR (95% CI) n/N % Crude OR (95% CI) Adjusted OR (95% CI)
EMS CPR duration
 0–5 min 81/138 58.7 Ref Ref Ref Ref 16/53 30.2 Ref Ref Ref Ref 65/85 76.5 Ref Ref Ref Ref
 6–10 min 36/377 9.5 0.07 (0.05–0.12) 0.31 (0.16–0.61) 15/278 5.4 0.13 (0.06–0.29) 0.33 (0.12–0.88) 21/99 21.2 0.08 (0.04–0.17) 0.28 (0.10–0.76)
 11–15 min 25/818 3.1 0.02 (0.01–0.04) 0.10 (0.05–0.20) 11/614 1.8 0.04 (0.02–0.10) 0.15 (0.06–0.40) 14/204 6.9 0.02 (0.01–0.05) 0.06 (0.02–0.17)
 16–20 min 14/894 1.6 0.01 (0.01–0.02) 0.06 (0.03–0.12) 7/690 1.0 0.02 (0.01–0.06) 0.06 (0.02–0.18) 7/204 3.4 0.01 (0.00–0.03) 0.05 (0.02–0.16)
 21–25 min 9/687 1.3 0.01 (0.00–0.02) 0.04 (0.02–0.10) 6/511 1.2 0.03 (0.01–0.07) 0.05 (0.02–0.17) 3/176 1.7 0.01 (0.00–0.02) 0.02 (0.01–0.10)
 26–30 min 7/412 1.7 0.01 (0.01–0.03) 0.06 (0.02–0.14) 5/302 1.7 0.04 (0.01–0.11) 0.07 (0.02–0.25) 2/110 1.8 0.01 (0.00–0.03) 0.04 (0.01–0.20)
 ≥ 31 min 7/587 1.2 0.01 (0.00–0.02) 0.04 (0.02–0.11) 6/417 1.4 0.03 (0.01–0.09) 0.07 (0.02–0.22) 1/170 0.6 0.00 (0.00–0.01) 0.01 (0.00–0.08)
P for trend    <.001   <.001     <.001   <.001     <.001   <.001  
  1. Adjusted for age category, sex, cause of arrest, witness of arrest, dispatcher instruction, first documented rhythm, bystander CPR, shocks by public-access AED, epinephrine administration, advanced airway management
  2. CPR cardiopulmonary resuscitation, EMS emergency medical service, OR odds ratio, CI confidence interval