Table 2.

Outcomes of 1936 patients having an in-hospital cardiac arrest at Karolinska University Hospital 2006–2019.

	Number of patients	ROSC Number (%)	Crude OR (95% CI)	Adjusted* OR (95% CI)	Survival to discharge Number (%)	Crude OR (95% CI)	Adjusted* OR (95% CI)
Non-holiday	1672	916 (55)	1.00 (Reference)	1.00 (Reference)	533 (32)	1.00 (Reference)	1.00 (Reference)
Holiday	264	120 (45)	0.69 (0.53–0.89)	0.69 (0.53–0.92)	65 (25)	0.69 (0.51–0.93)	0.69 (0.49–0.96)

^*Adjusted for age, sex, place of cardiac arrest, first documented rhythm,