Skip to main content

Table 1 Patient demographics

From: A case-driven hypothesis for multi-stage crack growth mechanism in fourth-generation ceramic head fracture

Number of patients 26,401
Women 56.7%
Age at surgery, mean (range) 65.8 (11–96) yrs
Weight at surgery, mean (range) 75.9 (30–178) kg
BMI at surgery
 Underweight (< 19 kg/m2) 1.1%
 Normal (19–24.9 kg/m2) 31.2%
 Overweight (25–29.9 kg/m2) 45.2%
 Obese (≥ 30 kg/m2) 22.5%
Indication for hip replacement Primary osteoarthritis 72.8%
Femoral neck fracture sequelae 12.7%
Sequelae of development dysplasia 7.5%
Idiopathic femoral head necrosis 5.4%
Rheumatic Arthritis 0.7%
Other 0.9%
Follow-up, mean (range) 5.2 (0.1–15.6) yrs