Table 4 Univariate Cox regression analysis of the prognostic factors associated with survival
Variable | HR (95% CI) | P-value |
|---|---|---|
Age | 1.135 (1.085–1.187) |  < 0.0001 |
Stage | 3.425 (2.000–5.866) |  < 0.0001 |
Number of surgical interventions | 1.187 (0.729–1.933) | 0.490 |
Gender | ||
 Male | Reference 1.173 (0.532–2.588) | 0.692 |
 Female | ||
Orbital involvement | ||
 Involved  Not involved | Reference 0.136 (0.047–0.399) | 0.0002 |
Comorbidity | ||
 Ongoing DM | Reference |  |
 Denovo DM  CKD  AML  Kidney transplantation  COVID-19 + Systemic steroid | 0.583 (0.232–1.464) 0.609 (0.080–4.659) 6.809 (1.821–25.461) 6.276 (0.767–51.344) 0.000 (0.000) | 0.251 0.633 0.004 0.087 0.980 |
COVID-19 infection | ||
 Present  Absent | Reference 0.797 (0.352–1.807) | 0.587 |