Table 1.

Characteristics of the patients between the pain group and the no-pain group

Characteristic	Thigh pain group	No thigh pain group	p value
Patients (number)	64	166
Primary hips (number)	68	184
Average age (years)	59.7 (29~84)	61.2 (23~84)	.345
Gender			.519
Male	18 (28.1%)	54 (32.5%)
Female	46 (71.9%)	112 (67.5%)
Preoperative diagnosis			.802
Osteoarthritis	23 (33.8%)	59 (32.1%)
Acute fracture	16 (23.5%)	38 (20.7%)
Developmental dysplasia	10 (14.7%)	32 (17.4%)
Aseptic necrosis	9 (13.2%)	24 (13.0%)
Avascular necrosis	8 (11.8%)	17 (9.2%)
Drug-induced necrosis	2 (2.9%)	9 (4.9%)
Post-traumatic arthritis	0	5 (2.7%)
Implant fit			.010
Type I	62 (91.2%)	141 (76.6%)
Type II	6 (8.8%)	43 (23.4%)