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Table 3 Cox proportional hazard model for disease-free survival and overall survival

From: Prognostic factors in patients with vulvar cancer treated with primary surgery: a single-center experience

	DSS^a			OS^b
	HR^c	95 % CI^d	P value	HR^c	95 % CI^d	P value
Age ≥70 years	1.414	0.427–4.544	0.560	2.891	1.051–8.366	0.040
Tumor size ≥4 cm	1.417	0.4334–4.957	0.566	1.495	0.490–4.732	0.481
Inguinal LN^e metastasis	4.459	1.189–19.06	0.0264	2.639	0.825–8.570	0.101
Surgical margin ≤5 mm	4.640	1.128–17.57	0.0348	4.053	1.177–12.94	0.028

^aDisease-specific survival
^bOverall survival
^cHazard ratio
^dConfidence interval
^eLymph node

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