Table 3.

Motion and function before and after two-stage revision using an articulating spacer

	Preoperative		Postoperative
Parameter	Average	SD	Average	SD	Significance
Extension	−3.2º	± 7.7	−2.0º	± 3.7	p = 0.269
Flexion	90.6º	± 31.2	101.3º	± 18.9	p = 0.025
Knee Society score	53.3	± 20.6	78.6	± 17.8	p < 0.001
Knee Society score	(90–100) 21 patients	(70–89) 23 patients	(60–69) 6 patients	(< 59) 10 patients