Table 1.

Patients characteristics (diabetic vs nondiabetic)

	All (n = 141)		Nondiabetes mellitus (n = 49)		Diabetes mellitus (n = 92)
	No. of patients	(%)	No. of patients	(%)	No. of patients	(%)	p value
Age	63.64 y		63.28 y		65.96 y
Alcohol	81	57.45	26	53.06	55	59.78	0.42
Betel nut	79	56.03	25	51.02	51	55.43	0.17
Cigarette	92	65.25	28	57.14	64	69.57	0.21
T1	15	10.64	7	14.29	8	8.70	0.11
T2	41	29.08	13	26.53	28	30.43	0.43
T3	35	24.82	11	22.45	24	26.09	0.14
T4	49	34.75	18	36.73	31	33.70	0.26
N0	30	21.28	8	16.33	22	23.91	0.23
N1	20	14.18	9	18.37	11	11.96	0.11
N2	87	61.70	30	61.22	57	61.96	0.13
N3	4	2.84	2	4.08	2	2.17	0.16
M0	131	92.91	47	95.92	84	91.30	0.11
M1	10	7.09	2	4.08	8	8.70	0.17
Early stage	40	28.37	13	26.53	27	29.35	0.39
Late stage	88	62.41	36	73.47	52	56.52	0.42