Table 2.

Associations Between Clinical Frailty Scale Score and In-hospital Mortality Among 324 Older Adults Undergoing In-hospital Cardiopulmonary Resuscitation

		Odds ratio [95% confidence interval]
CFS scorea	N events/N at risk	Crude model	Age-adjusted model	Multivariate model*
1–3	31/57	1.0 [ref]	1.0 [ref]	1.0 [ref]
4	57/86	1.6 [0.8–3.3]	1.6 [0.8–3.3]	1.6 [0.8–3.3]
5	40/51	3.1 [1.3–7.1]	3.0 [1.3–7.0]	3.0 [1.3–7.1]
6	67/80	4.3 [2.0–9.5]	4.3 [1.9–9.4]	4.4 [1.9–9.9]
7–9	42/50	4.4 [1.8–11.0]	4.4 [1.8–11.1]	4.6 [1.8–11.8]

^aCFS Clinical Frailty Scale

^*Adjusted for age, sex, race, and Charlson Comorbidity Index