Table 4 1-year Surgery-Related Complications Following THA in HRT Users vs. Control

Dislocation

63

1.60%

469

1.19%

1.35

1.03—1.76

0.0269

Periprosthetic Fracture

40

1.02%

411

1.04%

0.97

0.70—1.35

0.8692

Loosening

35

0.89%

252

0.64%

1.39

0.98—1.99

0.0677

PJI

64

1.63%

735

1.87%

0.87

0.67—1.12

0.2838

All-cause Revision

173

4.40%

1413

3.59%

1.23

1.05—1.45

0.0105

Acetabular and/or femoral component revision

132

3.35%

1040

2.64%

3.56

2.92 – 4.36

 < 0.0001

Acetabular and femoral component retaining revision

41

1.04%

373

0.95%

1.10

0.80 – 1.52

0.5635

Wound disruption

39

0.99%

417

1.06%

0.93

0.67—1.30

0.6878