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Table 1 Details of the patient’s demographics, prosthesis and operative information, and outcomes

From: Use of a modular hip dual-mobility articulation in patients with high risk of dislocation: a relatively small-sized acetabulum in Asian patients may limit its use

Case No. Age Sex OT Date Diagnosis Laterality Type Risk factors for THA dislocation Acetabular Cup Size(mm) MDM Liner Size(mm) Hip Ball Size(mm) Femoral Stem Preop HHS Postop HHS Change in HHS Follow up duration (months)
1 82 F 6/6/2019 Infected THA L Revision D 46 38 22.2 Restoration HA Stem 62 73 11 11
2 59 M 25/4/2019 OA hip 2nd to ankylosing spondylitis R Primary B 54 46 28 Accolade II 41 85 44 13
3 74 F 14/3/2019 #NOF, Poliomyelitis L Primary A, C 52 42 28 Exeter 43 81 39 14
4 81 F 7/3/2019 OA hip 2nd to rheumatoid arthritis L Primary B 48 38 22.2 Exeter 41 81 40 14
5 87 F 22/2/2019 Failed hip fracture fixation L Conversion D 48 38 22.2 Restoration HA Stem 25 54 29 12
6 68 F 14/2/2019 OA hip 2nd to psoriatic arthritis L Primary B 46 38 22.2 Accolade II 31 75 44 12
7 71 F 1/12/2018 #NOF L Primary A, C 48 38 22.2 Exeter 8 80 72 17
8 59 F 20/12/2018 OA hip 2nd to hip dysplasia L Primary B, E 50 42 28 Exeter 58 97 39 12
9 72 M 8/11/2018 Post traumatic AVN L Conversion D 54 46 28 Accolade II 39 86 47 13
10 57 F 6/9/2018 #NOF L Primary C 50 48 28 Accolade II 5 67 62 16
11 71 F 16/8/2018 OA hip 2nd to TB R Primary A, D 46 38 22.2 Accolade II 33 60 27 20
12 88 F 1/8/2018 Failed hip fracture fixation R Conversion D 48 38 22.2 Restoration HA Stem 32 54 22 14
13 75 F 16/7/2018 Recurrent dislocation of hemiarthroplasty L Conversion D 50 42 28 Original stem retained 32 52 20 18
14 69 F 25/5/2018 Acetabular cup loosening L Revision B, D 58 42 28 Original stem retained 70 74 4 21
15 78 F 11/5/2018 Post traumatic AVN L Conversion C 50 42 28 Accolade II 30.5 90 59.5 24
16 84 F 1/3/2018 Neglected #NOF R Primary B, C 48 38 22.2 Accolade II 15 74 59 14
17 79 F 11/1/2018 Loosening of hemiarthroplasty R Conversion D 46 38 22.2 Restoration HA Stem 80 84 4 23
  Mean Age M: F    L: R Primary: Conversion: Revision No. of Patients Mean size Mean size 22.2mm: 28 mm   Mean
(n = 15)
Mean
(n = 15)
Mean
(n = 15)
Mean
  73.8 ± 9.5 2: 15    12: 5 9: 6: 2 A = 3
B = 6
C = 5
D = 8
E = 1
49.5 ± 3.36 40.7 ± 3.39 9:8   42.2 ± 17.2 74.7 ± 13.5 32.5 ± 17.19 15.8 ± 3.9
  1. *AVN Avascular necrosis, #NOF Fractured neck of femur, TB Tuberculosis
  2. *A = Abductors deficiency, B = Spinal pathology, C = Fractured neck of femur, D = Previous hip surgeries, E = Neurological disabilities