Combination of measures of handgrip strength and red cell distribution width can predict in-hospital complications better than the ASA grade after hip fracture surgery in the elderly

Table 2 Analysis of risk factor for intensive care unit admittance by univariate and multivariate logistic regression analysis

	R² (%)		Odds ratio	95% confidence interval	p - value
ASA grade	2.7		1.99	1.06 to 3.75	0.033
RDW	6.4		1.36	0.98 to 1.90	0.044
Grip strength	19.8		0.95	0.92 to 0.98	0.002
Age	11.9		1.10	1.02 to 1.18	0.009
Gender	0.6		1.37	0.49 to 4.07	0.541
Diagnosis	5.2		2.33	0.92 to 5.94	0.076
ASA grade + other variables^*	22.4	ASA grade	4.48	1.06 to 4.13	0.027
		Age	1.10	1.02 to 1.19	0.012
		Diagnosis	2.62	0.94 to 7.29	0.064
RDW + Grip strength	25.9	RDW	1.41	1.01 to 1.98	0.045
RDW + Grip strength	25.9	Grip strength	0.95	0.92 to 0.98	0.001
RDW + Grip strength + other variables^*	33.4	RDW	1.45	1.03 to 2.04	0.034
		Grip strength	0.93	0.90 to 0.97	0.001
		Age	1.04	0.96 to 1.13	0.329
		Diagnosis of FNF (vs. IF)	0.26	0.08 to 0.82	0.021

^*Age, diagnosis
ASA American Society of Anesthesiologists, RDW red cell distribution width, FNF femur neck fracture, IF intertrochanteric fracture, RDW (%), Grip strength (kg)

ISSN: 1471-2474