Table 5 Multivariate Cox regression analysis of the prognostic factors associated with survival

Age

1.184 (1.095–1.281)

 < 0.0001

Stage

6.848 (1.326–35.374)

0.022

Number of surgical interventions

0.322 (0.083–1.248)

0.101

Gender

 Male

 Female

Reference

0.453 (0.152–1.345)

0.154

Orbital involvement

 Involved

 Not involved

Reference

1.123 (0.129–9.763)

0.917

Comorbidity

 Ongoing DM

 Denovo DM

 CKD

 AML

 Kidney transplantation

 COVID-19 + Systemic steroid

Reference

0.335 (0.105–1.066)

14.146(0.956–209.413)

1.987 (0.391–10.101)

318.095 (8.209–12,326.636)

0.000(0.000)

0.064

0.054

0.408

0.002

0.985

COVID-19 infection

 Present

 Absent

Reference

1.062 (0.311–3.622)

0.924