. 2016 Oct 31;27(5):653–658. doi: 10.1007/s00590-016-1873-9

Table 5.

Re-operation in the two groups

	Control group (n = 130)	Cognitive impairment (n = 58)
Excision arthroplasty due to dislocation	0	1
THA with dual mobility cup due to dislocation	4	1
Surgical debridement due to deep infection	3	6
Excision arthroplasty due to deep infection	0	2
Open reduction and internal fixation of periprosthetic fracture	1	0
Secondary total hip arthroplasty due to acetabular erosion	1	0
Number of hips with re-operation^a	9 (6.9%)	10 (13.8%)

^aAdjusted OR 3.16 (95% CI 1.17–8.55), p = 0.02