Rotating Hinge Prosthesis for Primary and Revision Knee Arthroplasty: Comparison and Indications

Table 1

Patient characteristics.

	Primary	Revision
	98	22
Age (mean) (SD)	68.3 years (±9.3)	71.4 years (±8.4)
Gender (female)	61.2%	72.7%
BMI (mean) (SD)	30.9 (±6.2)	29.9 (±3.9)
Operation time (mean) (SD)	127.6 min (±25.9)	153.5 min (±50.6)
Hospital stay (mean) (SD)	12.2 days (±4.1)	13.1 days (±3.3)