Table 1. Clinical characteristics of the HF group and non-HF group.

		HF (n=17)	non-HF (n=105)	p value
Age (years)		84.9 ± 5.9	81.2 ± 10.1	0.042
Gender (male, %)		8.7	15.2	0.421
BMI				0.162
	<18.5	41.2	35.6
	≥18.5 to <25.0	35.3	54.8
	≥25.0	23.5	9.6
Charlson comorbidity index (%)				0.135
	0–2	52.9	76.2
	3–4	41.2	21.0
	≥5	5.9	2.9
Fracture type (%)				0.659
	Neck of femur	35.3	41.0
	(Inter) trochanteric	64.7	59.0
Type of surgery (%)				0.808
	Osteosynthesis	70.6	67.6
	Arthroplasty	29.4	32.4
HDS-R (points)		18.8 ± 9.0	19.7 ± 9.1	0.889

HF: heart failure; BMI: body mass index; HDS-R: revised Hasegawa’s dementia scale.

p values less than 0.05 were written in bold.