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Table 5 Intra- and inter-group comparison of the effect of intubation status on return of spontaneous circulation and survival to hospital discharge

From: Real-time compression feedback for patients with in-hospital cardiac arrest: a multi-center randomized controlled clinical trial

Airway status ROSC Inter-group P value a Survival to ICU discharge Inter-group P value a Survival to hospital discharge Inter-group P value a
Control (n = 191) Intervention (n = 300) Control (n = 151) Intervention (n = 269) Control (n = 128) Intervention (n = 243)
Intubated n (%) 14 (38.9%) 22 (64.7%) 0.31 13 (36.1%) 18 (52.9%) 0.157 11 (30.6%) 18 (52.9%) 0.057
Non-intubated n (%) 177 (42.8%) 278 (66.8%) < 0.0001 138 (33.3%) 251 (60.3%) < 0.0001 117 (28.3) 225 (54.1%) < 0.0001
Intra-group P value 0.53 0.80   0.74 0.4   0.77 0.897  
  1. ROSC return of spontaneous circulation
  2. aChi-square test