Table 2.

Comparison of orthopaedic outcomes

Main Orthopaedic Outcome Measures		DH (n = 228)	TH (n = 795)
Number of Patients Requiring Revision		1.0% (3)	2.9% (23)	p = 0.04
Reoperation not for revision		0	4.2% (34)	p = 0.01
Dislocations		0	0.6% (5)	p = 0.14
	Multiple dislocations requiring revision	0	0.4% (3)	p = 0.29
PJI		0.87% (2)	3.5% (29)	p = 0.04
Superficial Infection		2.63% (6)	1.76% (14)	p = 0.05
Superficial wound problem other than infection		10.5% (24)	1.13% (9)	p = 0.42
Neurological Complications		2.6% (6)	1.8% (14)	p = 0.52
	Resolved	0.9% (2)	1.2% (10)
	Persistent	0.9% (2)	0.4% (3)
	Unknown	0.9% (2)	0.1% (1)
Haemoglobin (g/dl)	Pre-operative Hb	13.0 ± 1.4 g/dl	12.8 ± 1.7 g/dl	p = 0.86
	Post-operative Hb	11.6 ± 1.7 g/dl	11.2 ± 1.8 g/dl	p = 0.02
	Average change in Hb	1.41	1.66	p = 0.01
Blood Transfusion		1.3% (3)	3.3% (26)	p = 0.12
Peri-Prosthetic Fracture		0.9% (2)	1.4% (11)	p = 0.67
Heterotrophic Ossification		0.9% (2)	1.8% (14)	p = 0.27