Table 2 Prognostic factors of orbital malignancies (multivariate analysis)

Age

 ≤35

30

Reference

Reference

Reference

Reference

 >35

31

0.942

15.26

0.639

0.77

0.056

4.936

0.339

1.552

Gender

 Male

33

Reference

Reference

Reference

Reference

 Female

28

0.94

23.56

0.274

1.875

0.008

21.064

0.092

2.356

Tumor site

 Lacrimal gland

36

Reference

Reference

Reference

Reference

 Lacrimal sac

10

0.987

0

0.438

0.526

0.06

0.1

0.282

0.509

 Inside orbit

15

0.839

1.546

0.088

0.149

0.97

0

0.029

0.153

Tumor histology

 Epithelial

46

Reference

Reference

Reference

Reference

 Sarcoma

14

0.969

0

0.139

4.0

0.973

0

0.547

1.58

 Melanoma

1

0.999

30.51

0.989

0

0.021

83.51

0.2222

5.01

Tumor status

 Primary

50

Reference

Reference

Reference

Reference

 Recurrence

11

0.283

9.542

0.832

0.795

0.489

0.445

0.6647

0.694

Radiation course

 First course

58

Reference

Reference

Reference

Reference

 Re-irradiation

3

0.712

0.476

0.531

2.543

0.878

0.783

0.343

2.946

Margin status

 R0 + R1/close margin

22

Reference

Reference

Reference

Reference

 R2/biopsy

39

0.86

0.737

0.141

2.861

0.734

0.776

0.585

11.342

Median Tumor diameter*

 <4 cm

49

Reference

Reference

Reference

Reference

 ≥ 4 cm

11

0.048

28.01

0.161

2.768

0.001

25.4406

0.041

3.532

Extension beyond orbit

 No

48

Reference

Reference

Reference

Reference

 Yes

13

0.946

61.91

0.56

1.598

0.046

9.744

0.187

2.319