Table 6.

Reported femoral neck fracture rates following metal-on-metal hip resurfacing

Author	Year	# Hips	Fracture rate	Notes
Amstutz et al. [1]	2007	350	0.3%	All patients < 50 years old
Amstutz et al. [2]	2004	400	0.8%	Mean age 48 years; 73% male
Back et al. [5]	2005	230	0.4%	Single femoral neck fracture treated non-operatively; mean age 52 years, 65% male
Daniel et al. [8]	2004	446	0%	All patients < 55 years old and osteoarthritis
De Smet [9]	2005	252	0.4%	Mean age 49.7 years old; 70% male
Le Duff et al. [14]	2007	770	0.9%	Rate of femoral neck fracture similar between obese and non-obese
Marker et al. [16]	2007	550	2.5%	12 of 14 fractures within first 69 of series
Mont et al. [18]	2007	1016	2.7%	Reduction in fracture rate from 7.2% to 0.8% with changes in indications and technique
Shimmin and Back [21]	2005	3497	1.5%	Rate 1.91% for women and 0.98% for men; technical error identified in 85% of cases
Della Valle et al.	2008	509	2.0%	9 of 10 fractures in patients who were either female of > 55 years old