Postoperative complications

OR

95% CI

p

Tumor localization

Limb

Reference

Pelvis

0.96

0.60 - 1.55

0.869

Tumor origin

Bone

Reference

Soft tissue

1.55

0.55 - 1.15

0.214

Prosthetic joint replacement

No

Reference

Yes

1.06

0.58 - 1.943

0.847

Diabetes

No

Reference

Yes

1.23

0.79 - 1.91

0.357

Distant metastasis

No

Reference

Yes

1.79

1.13 - 2.84

0.013

Blood transfusion (ml)

0

Reference

1 - 999

1.57

0.98 - 2.53

0.062

1000 - 2499

1.54

0.90 - 2.62

0.113

≥2500

3.69

1.68 - 8.12

0.001

Duration of anesthesia (min)

1 - 119

Reference

120 - 239

1.27

0.72 - 2.24

0.415

240 - 359

2.79

1.55 - 5.00

<0.001

360 - 479

4.24

2.28 - 7.88

<0.001

≥480

6.11

3.23 - 11.56

<0.001