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Table 1 Preoperative demographics, and morphological data

From: Absence of instabilities and intra-prosthetic dislocations at 7 to 11 years following THA using a fourth-generation cementless dual mobility acetabular cup

  Original Cohort
(n = 240 hips)
Mean ±SD Range
Age 77.4 ± 5.6 (54.0 - 94.0)
BMI 26.6 ± 4.6 (17.9 - 40.6)
ASA score 2 ± 1 (1 - 3)
Stem Size 12 ± 2 (8 - 16)
Cup Size 52 ± 3 (47 - 63)
Male gender 93 (39%)   
Bilateral cases 15 (6%)   
Charnley grade
 A 147 (61%)   
 B 26 (11%)   
 C 66 (28%)   
Missing 1 (0%)   
Etiology
 Primary OA 207 (86%)   
 Secondary OA 15 (6%)   
 Avascular necrosis 18 (8%)   
Surgical Approach
 Posterior 169 (70%)   
 Anterolateral 71 (30%)   
Stem type
 KA - Standard 133 (55%)   
 KHO - High offset 17 (7%)   
 KLA - Lateralized 90 (38%)