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Table 4 Univariate analysis of DMFS and PFS by Cox regression

From: Outcomes of orbital malignancies treated with eye-sparing surgery and adjuvant particle radiotherapy: a retrospective study

  DMFS PFS
Variables P HR (95% CI) P HR (95% CI)
Gender
 Male Ref Ref Ref Ref
 Female 0.378 2.431 (0.338–17.48) 0.910 1.103 (0.202–6.036)
 Age, y 0.186 1.046 (0.979–1.118) 0.752 1.001 (0.958–1.061)
Histology
 Epithelium Ref Ref Ref Ref
 Mesenchyme 0.488 0.031 (0.001–560.47) 0.656 0.613 (0.071–5.280)
T classification
 T1 + T2 Ref Ref Ref Ref
 T3 + T4 0.784 0.760 (0.107–5.415) 0.529 1.731 (0.313–9.564)
Surgical margin
 R0 + R1 Ref Ref Ref Ref
 R2 0.254 0.268 (0.028–2.579) 0.887 0.890 (0.178–4.450)
 BED 0.064 0.884 (0.776–1.007) 0.100 0.898 (0.791–1.021)
 GTV, ml 0.948 1.002 (0.948–1.059) 0.928 0.998 (0.953–1.045)
 CTV, ml 0.978 1.000 (0.980–1.021) 0.797 0.998 (0.980–1.016)