Table 7.

Comparison of several risk factors between the complication and non-complication group

	Non-complication group (n = 30)	Complication group (n = 12)	p value
Immobilization period (weeks)	4.8 ± 2.4	7.0 ± 5.8	0.386
Age at the TKR	65.7 ± 6.5	71.0 ± 6.2	0.007
BMI	25.9 ± 3.8	26.8 ± 5.8	0.770
Time to injury from operation (months)	25.9 ± 26.4	24.6 ± 29.1	0.638
Age at fracture fixation	68.4 ± 6.6	74.5 ± 5.9	0.008
Operation time (min)	126.6 ± 33.1	141.8 ± 37.8	0.246
BMD	−2.7 ± 1.4	−2.5 ± 1.1	0.708