Developmental hip dysplasia treated by total hip arthroplasty using a cementless Wagner cone stem in young adult patients with a small physique

Table 1 Patient demographics

Demographic	Data
Gender	5 male (5 hips), 45 female (47 hips)
Mean age	32.5 years (range 27 to 38)
Mean height	156 ± 2.5 cm (160 ± 5.6 cm)
Mean weight	50 ± 3.2 kg (53 ± 6.3 kg)
BMI	21.8 ± 3.8 (23.1 ± 2.8)
Classification of Crowe	19 hips of grade I, 33 hips of grade II
Mean antetorsion angle	52° (range 46° to 62°)
Mean dimension of the femoral medullary canal (at the isthmus)	7.6 mm (range 6.0 to 8.7 mm)
Stem length	18 stems in 100.5 mm, 34 in 110 mm
Distal diameter of the stem	18 stems in 6.4 mm, 16 in 7.4 mm, 7 in 8.4 mm, 6 in 9.4 mm, 5 in 10.4 mm
Mean follow-up	7.7 years (range 5.4 to 10.5)

ISSN: 1471-2474