Table 5-.

Factors predictive of recurrence-free survival

Factor	Variable	No. of Patients	5-year RFSa	Univariate
				HRb	CIc	p-value
Age	≤60	27	90%
	>60	30	96%	0.831	0.147–4.714	0.834
Sex	Female	37	92%
	Male	20	94%	4.589	0.826–25.487	0.057
Alcohol	Never	18	100%
	Ever	38	89%	2.725	0.317–23.402	0.341
Tobacco	Never	17	83%
	Ever	39	94%	0.604	0.109–3.332	0.558
Site	Minor	54	92%
	Major	3	100%	---	---	0.751
pTd Status	T1/T2	51	94%
	T3/T4	6	75%	6.419	0.545–75.592	0.091
pNe Status	NO/X	51	91%
	N+	6	100%	1.994	0.222–17.924	0.530
Overall	I/II	47	94%
pathologic stage	III/IV	10	88%	4.308	0.701–26.484	0.087
Vascular	No	53	92%
invasion	Yes	2	100%	---	---	0.588
Perineural invasion	No	18	86%
	Yes	37	97%	0.267	0.048–1.472	0.104
Histology	PACf	32	92%
	CAMSGg	14	100%	2.926	0.473–18.080	0.228
Margin	Negative	27	95%
	Close /Positive	29	89%	0.596	0.108–3.270	0.547
PORTh	No	44	92%
	Yes	13	92%	1.921	0.316–11.666	0.471

^a-RFS, recurrence-free survival;

^b-HR, hazard ratio;

^c-CI, confidence interval;

^d-pT, pathological tumor;

^e-pN, pathological nodal;

^f-PAC, polymorphous adenocarcinoma;

^g-CAMSG, cribriform adenocarcinoma of minor salivary gland origin;

^h-PORT, postoperative radiotherapy