Table 2 Cause for revision THA stratified by BMI class

Aseptic Loosening

13,923 (14.1%)

26 (7.4%)

11,992 (14.6%)

1,189 (12.5%)

716 (10.9%)

 < 0.001

Dislocation

15,051 (15.3%)

109 (31.1%)

13,214 (16.1%)

1,153 (12.1%)

575 (8.8%)

 < 0.001

Mechanical Complication

17,918 (18.2%)

35 (10.0%)

15,317 (18.6%)

1,619 (17.0%)

947 (14.4%)

 < 0.001

Periprosthetic/ Total Joint Fracture

3,817 (3.9%)

28 (8.0%)

3,288 (4.0%)

292 (3.1%)

209 (3.2%)

 < 0.001

Osteolysis/ Polyethylene Wear

5,270 (5.3%)

11 (3.1%)

4,568 (5.6%)

473 (5.0%)

218 (3.3%)

 < 0.001

Periprosthetic Joint Infection

30,469 (30.9%)

98 (27.9%)

23,579 (28.7%)

3,423 (36.0%)

3,369 (51.3%)

 < 0.001

Arthrofibrosis

49 (0.1%)

**

40 (0.1%)

**

**

0.91

Other Joint Complication

12,221 (12.4%)

44 (12.5%)

10,290 (12.5%)

1,357 (14.3%)

530 (8.1%)

 < 0.001