Optimizing Acetabular Component Bone Ingrowth: The Wedge-Fit Bone Preparation Method

Table 1

Demographics.

Variable	Group 1	Group 2	P value
	(Before protocol)	(Wedge fit)
Date Range	9/2006-11/2011	6/2012-6/2016	- -
# of Cases	1496	1565	- -
# Deceased	7 (0.5%)	3 (0.2%)	0.1802
Demographics	- -
#, % Female	383 (25.5%)	415 (26.5%)	0.5619
Mean Follow-Up (Years)	4.7 ± 2.3	2.4 ± 1.3	<0.0001
Age (Years)	52.4 ± 8.3	54.2 ± 8.6	<0.0001
BMI	27.6 ± 4.5	27.8 ± 4.8	0.2349
T-Score	0.0 ± 1.3	0.0 ± 1.2	1.000
Femoral Component Size (mm)	49.9 ± 3.5	49.9 ± 3.6	1.000
Diagnoses	- -
Osteoarthritis	1138 (76.1%)	1276 (81.5%)	0.0002
Dysplasia	198 (13.2%)	184 (11.8%)	0.2150
Osteonecrosis	76 (5.1%)	70 (4.5%)	0.4295
RA	6 (0.4%)	3 (0.2%)	0.2846
Post-Trauma	33 (2.2%)	17 (1.1%)	0.0147
LCP/SCFE	31 (2.1%)	26 (1.7%)	0.4009
Other	14 (0.9%)	15 (1.0%)	0.9522