Clinical and functional patient characteristics predict medical needs in older patients at risk of functional decline

Table 3 Predictors of nursing hours per day during hospital stay

	Unadjusted			Model 1 Corrected R² = 0.022			Model 2 Corrected R² = 0.051
	β or B	95% CI	P	β or B	95% CI	P	β or B	95% CI	P
Age (years)	0.09	−0.05;0.23	0.196	0.05	−0.09;0.19	0.493	0.49	−1.95;0.22	0.578
Sex (male vs female)	0.42	−0.08;0.92	0.102	0.39	−0.11;0.89	0.121	0.19	−0.25;0.71	0.532
Number of admission diagnoses	0.03	−0.11;0.16	0.693
ISAR score	0.26	0.01;0.28	0.032*	0.135	−0.01;0.27	0.056
ADL impairment (yes vs no)	1.14	0.67;1.61	< 0.001†				1.01	0.95;2.09	0.008*
Mobility impairment (yes vs no)	0.31	−0.34;0.96	0.345				−0.35	−1.59;-0.38	0.393
Cognition impairment (yes vs no)	0.57	0.07;1.07	0.026*				0.38	−0.09;0.88	0.212
Signs of depression (yes vs no)	0.40	−0.37;1.17	0.311				−0.19	−0.50;1.04	0.727
				Model 3 Corrected R² = 0.046			Model 4 Corrected R² = 0.039
				β or B	95% CI	P	β or B	95% CI	P
Age (years)				0.03	−0.12;0.21	0.519	0.05	−0.12;0.21	0.597
Sex (male vs female)				0.24	−0.41;0.82	0.513	0.21	−0.41;0.82	0.513
Number of admission diagnoses							−0.06	− 0.17;0.16	0.954
ISAR score				0.05	−0.13;0.21	0.669	0.04	−0.13;0.21	0.669
ADL impairment (yes vs no)				1.03	0.25;1.82	0.011*	1.03	0.24;1.83	0.011*
Mobility impairment (yes vs no)				−0.36	−1.59;-0.38	0.378	−0.36	−1.27;-0.45	0.379
Cognition impairment (yes vs no)				0.36	−0.26;0.96	0.252	0.36	−0.26;0.97	0.253
Signs of depression (yes vs no)				−0.19	−1.27;0.89	0.725	−0.19	−1.28;0.90	0.732

ADL activities of daily living, ISAR Identification of Seniors at Risk, beta standardized regression coefficient, B unstandardized regression coefficient, CI confidence interval, *p ≤ 0.05 or † p ≤ 0.001

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