. Author manuscript; available in PMC: 2019 Jul 1.

Published in final edited form as: J Am Geriatr Soc. 2018 Apr 23;66(7):1276–1283. doi: 10.1111/jgs.15381

Table 3.

Associations of Frailty Phenotype with Odds of Hospitalization and SNF Stays

	≥1 Acute hospital stay		≥1 SNF stay
Frailty phenotype	Odds ratio (95% CI)	P	Odds ratio (95% CI)	P
Base model^a
Robust	1.00 (referent)	<0.001	1.00 (referent)	<0.001
Intermediate stage	1.57 (1.20-2.05)		2.89 (1.51-5.52)
Frail	2.77 (2.02-3.79)		5.23 (2.62-10.44)
Multivariable model^b
Robust	1.00 (referent)	<0.001	1.00 (referent)	0.001
Intermediate stage	1.43 (1.09-1.87)		2.57 (1.34-4.93)
Frail	2.05 (1.47-2.87)		3.85 (1.88-7.88)
Multivariable model + functional limitations^c
Robust	1.00 (referent)	0.16	1.00 (referent)	0.05
Intermediate stage	1.27 (0.96-1.67)		2.24 (1.16-4.34)
Frail	1.41 (0.97-2.06)		2.44 (1.12-5.34)

Note: SNF, skilled nursing facility

adjusted for age and site

adjusted for age, site, multimorbidity burden, and cognitive function

functional limitations defined by number of IADL impairments