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Table 1 Demographics of the patients

From: Femoral diameter and stem type are independent risk factors for ARMD in the Large-headed ASR THR group

Demographic  
Patients (n) Hips (n) 196
225
Age Mean (SD, range) 60.3 (10.3, 25 to 84)
<50 years 25 (15.7%)
≥50 years 171 (84.3%)
Sex Male 181 (92.3%)
Female 15 (7.7%)
Diagnosis Primary OA 145 (64.9%)
Other 80 (35.1%)
Femoral diameter Median (range) 53 mm (51 to 61)
51 mm 88
53 mm 73
55 mm 33
57 mm 17
59 mm 13
>59 mm 1
Preoperative ROM Mean (SD, range) 124° (22°, 10° to 276°)
<100° 81 (43.4%)
≥100° 131 (56.6%)
Cup coverage Mean (SD, range) 31.4° (6.8°, 10.7° to 52.0°)
<25° 34 (28.1%)
≥25° 191 (71.9)