Insufficient lateral stem contact is an influencing factor for significant subsidence in cementless short stem total hip arthroplasty

Table 2 Demographic data

Parameters	Values
No. of hips	274
Gender (male/female)	186/88
mean age (yr) (range, SD)	48.1 (18-73, 11.2)
mean BMI (range, SD) (kg/m2)	23.8 (14.7-40.9, 4.3)
Dorr’s classification, n (%)
Dorr’s type A	223 (81.4)
Dorr’s type B	51 (18.6)
Diagnosis, n (%)
ONFH	213 (77.7)
DDH	33 (12.1)
Primary osteoarthritis of the hip	19 (6.9)
Femoral neck fracture	9 (3.3)

BMI: Body mass index; ONFH: Osteonecrosis of the femoral head; DDH: Developmental dysplasia of the hip.