Table 5. Sebaceous gland carcinoma of the eyelid in 191 cases: multivariate analysis to predict outcome.

Features	Regional lymph node metastasis		Systemic metastasis		Death due to metastasis
	Hazard ratio (95% CI)	P-value	Hazard ratio (95% CI)	P-value	Hazard ratio (95% CI)	P-value
Medial canthus involvement	0.35 (0.17–0.72)	0.004	0.33 (0.14–0.79)	0.013	0.27 (0.1–0.75)	0.012
Lateral canthus involvement	0.42 (0.21–0.83)	0.013	0.38 (0.16–0.89)	0.025	—	—
Tumor basal diameter >10 mm	1.03 (1.01–1.06)	0.002	1.05 (1.02–1.08)	0.002	1.06 (1.02–1.1)	0.001
Perivascular invasion	0.42 (0.18–0.97)	0.043	0.19 (0.07–0.5)	<0.001	—	—

Abbreviation: CI, confidence interval.