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Table 2 Clinical data of the final cohort

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

  Final cohort (n = 166 hips)
Mean ±SD Median Range
Follow-up (yrs) 8.4 ± 0.8 8 (7 to 11)
Pre-op HHS Total 41.7 ± 13.1 42 (10 to 74)
 Pain 10.3 ± 7.7 10 (0 to 30)
 Function 25.1 ± 7.6 26 (0 to 42)
 Mobility 2.0 ± 0.3 2 (1 to 3)
 Attitude 3.9 ± 0.3 4 (2 to 4)
Post-op HHS Total 83.6 ± 13.2 86 (8 to 99)
 Pain 41.0 ± 6.7 44 (2 to 44)
 Function 35.2 ± 9.9 37 (0 to 47)
 Mobility 3.2 ± 0.6 3 (0 to 5)
 Attitude 4.0 ± 0.2 4 (3 to 4)
HHS Total Improvement 41.5 ± 17.7 42 (−35 to 76)
 Pain 30.9 ± 10.5 34 (−10 to 44)
 Function 10.9 ± 11.6 11 (−31 to 42)
 Mobility 1.1 ± 0.7 1 (−2 to 3)
 Attitude 0.0 ± 0.3 0 (−1 to 2)
Post-op OHS 20.3 ± 6.7 19 (12 to 42)
Post-op Pain on VAS 0.6 ± 1.3 0 (0 to 7)
Devane activity grade
 1 20 (12%)   
 2 56 (34%)   
 3 61 (37%)   
 4 21 (13%)   
 5 4 (2%)   
 na 4 (2%)