Table 6.

Univariate logistic regression test

Characteristic	Number (n = 56)	Percentage	p value
Age
< 40	10	17.86	0.60
40–69	36	64.28
70+	10	17.86
Histology
ACC**	11	19.64	0.05
Myoepithelial Ca	2	3.57
Papillary	19	33.92
SCC*	16	28.57
Undifferentiated	8	14.3
Site
Larynx	4	7.14	0.06
Nasopharynx	18	32.14
Oral cavity	8	14.29
Salivary gland	7	12.50
Thyroid	19	33.93
Disease-free interval
< 1 year	18	32.14	0.24
1–2 years	6	10.71
> 2 years	32	57.14

*Squamous cell carcinoma

**Adenoid cystic carcinoma