Impact of introducing custom-made articulating spacers: A retrospective cohort study on two protocols for two-stage hip revision

Table 5 Reoperations, n (%)

Variable	Group A (n = 39)	Group B (n = 59)	P value
Any reoperation	8 (21)	20 (34)	0.27
Mean surgeries per patient (SD)	2.25 (1.5)	1.85 (1.2)	0.47
During interval
Removal of spacer due to infection	0 (0)	1 (2)	1.00
Debridement	1 (3)	0 (0)	0.40
After second-stage surgery
DAIR	5 (14)	16 (27)	0.20
Two-stage revision	4 (11)	5 (9)	0.72
Revision (non-infectious reasons)	2 (6)	3 (5)	1.00
Plate fixation	1 (3)	1 (2)	1.00

DAIR: Debridement, antibiotics, and implant retention.