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

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

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
Airway status	Control (n = 191)	Intervention (n = 300)	Inter-group P value ^a	Control (n = 151)	Intervention (n = 269)	Inter-group P value ^a	Control (n = 128)	Intervention (n = 243)	Inter-group P value ^a
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

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