Improved patient reported outcomes with functional articulating spacers in two-stage revision of the infected hip

Table 3 Patient reported outcome measure results and comparison of the groups

	Functional articulating spacer group	Prefabricated spacer group	P value
Number of patients	15	55
HOOS total (SD)	88 (6)	67 (14)	< 0.01
HOOS pain (SD), % PASS	92 (6), 54%	75 (14), 8%	< 0.01
HOOS PS (SD), % PASS	85 (6), 15%	67 (14), 3%	< 0.01
HOOS QoL (SD), % PASS	85 (12), 46%	56 (21), 5%	< 0.01
EQ-5D (SD), % PASS	0.90 (0.17), 46%	0.69 (0.30), 5%	< 0.01
EQ-VAS (range), % PASS	85 (65-100), 46%	71 (45-85), 3%	< 0.05

HOOS: Hip osteoarthritis outcome score; PASS: Patient acceptable symptom state; QoL: Quality of life; VAS: Visual analogue scale; SD: Standard deviation.