Table 3 Unmatched analysis

Post operative variables (Incidence percentage)

 Mortality

0

0. 04%

1

[1, 1]

p = 0.789

 Acute renal failure*

6.4%

2%

3.381

[1.927, 5.932]

p < 0.001

 Myocardial infarction

0%

0.02%

1

[1, 1]

p = 0.842

 Blood loss anemia

16.7%

15.3%

1.112

[0.769, 1.607]

p = 0.573

 Pneumonia

0.5%

0.2%

2.537

[0.355, 18.115]

p = 0.336

 Pulmonary embolism

0.5%

0.2%

2.229

[0.312, 15.912]

p = 0.412

 Deep vein thrombosis

0.5%

0.2%

2.186

[0.306, 15.608]

p = 0.424

 Periprosthetic fracture

1%

0.4%

2.342

[0.581, 9.436]

p = 0.217

 Periprosthetic dislocation

1%

1%

1.294

[0.321, 5.211]

p = 0.716

 Periprosthetic mechanical complication

1.5%

0.8%

1.845

[0.590, 5.772]

p = 0.285

 Periprosthetic infection*

3%

1%

2.903

[1.288, 6.542]

p = 0.007

 Superficial surgical site infection

0%

0%

1

[1, 1]

p = 0.923

 Deep surgical site infection

0%

0%

1

[1, 1]

p = 0.957

 Wound dehiscence

0.5%

0.1%

5.219

[0.730, 37.295]

p = 0.066

 Cardiac arrest and ventricular fibrillation

0%

0%

1

[1, 1]

p = 0.923

 Blood transfusion*

3.9%

1.5%

2.736

[1.349, 5.550]

p = 0.004