Table III.

Complications.

Variable	Total (%)	≤ 65	> 65	p-value	< 70	≥ 70	p-value
n	1,004	430	574		597	407
NJR notifiable
Revision, n (%)
DAIR	7 (0.7)	1	6		4	3
Revision for dislocation	3 (0.3)	1	2		2	1
Traumatic periprosthetic fracture	3 (0.3)		3		1	2
Total	13 (1.3)	2 (0.5)	11 (1.9)	0.382	7 (1.2)	6(1.5)	0.871
Re-revision, n (%)
Aseptic loosening femoral component (previous DAIR)	1 (0.1)		1		1
Death within 90 days, n (%)	3 (0.3)	1 (0.2)	2 (0.3)		1 (0.2)	2 (0.5)
Non NJR notifiable
Intraoperative*, n (%)
Calcar crack and cable	10 (1.0)	4	6		6	4
GT fracture and cable	1 (0.1)		1			1
Postoperative, n (%)
Transient fem nerve palsy	1 (0.1)	1			1
Community cardiac arrest	1 (0.1)	1			1
Dislocation × 1	6 (0.6)	2	4 (1 open reduction)		4	2 (1 open reduction)
Dislocation × 2	1 (0.1)		1			1
Dislocation × 3	1 (0.1)		1			1
Irreducible dislocation	1 (0.1)		1			1
(All dislocation including revision)	12 (1.2)	3	9	0.892	6	6	0.968
Traumatic PP fracture (conservative)	5 (0.5)	1	4		2	3
ORIF B1 fracture	2 (0.2)		2			2
(All postop fractures including revision)	10 (1.0)	1	9	0.801	3	7	0.856
(All operative fractures, B1 and B2)	5 (0.5)		5		1	4
Postop myocardial infarction	1 (0.1)		1			1
Postop pulmonary embolus	1 (0.1)		1			1
Aseptic loosening femoral component (surveillance)	1 (0.1)		1			1
Total non-notifiable	32 (3.2)	9	23	0.204	14	18	0.861
All complications	48 (4.8)	12/430	36/574	0.802	23/597	25/407	0.856

^*MDS recorded but not published.

DAIR, debridement, antibiotics, and implant retention; GT, greater trochanter; NJR, National Joint Registry; ORIF, open reduction, internal fixation.; PP, periprosthetic