Table 1. Sociodemographic and clinicopathological parameters of EIF3E-RECQL4 co-amplifications with OSCC cases.

		EIF3E-RECQL4
Parameters	N	Amplified (%)	Not Amplified (%)	P value (Fisher's exact test)
Sex
Male	13	3 (23.1)	10 (76.9)	0.052
Female	20	0 (0.0)	20 (100.0)
Ethnicity
Indian	16	0 (0.0)	16 (100.0)	0.227
Others	17	3 (17.6)	14 (82.4)
Alcohol Drinking
Drinkers	10	3 (30.0)	7 (70.0)	0.022
Non-drinkers	23	0 (0.0)	23 (100.0)
Smoking
Smokers	7	2 (28.6)	5 (71.4)	0.106
Non-smokers	26	1 (3.8)	25 (96.2)
Betel Quid Chewing
Chewers	18	0 (0.0)	18 (100.0)	0.083
Non-chewers	15	3 (20.0)	12 (80.0)
Habits
Yes	26	3 (11.5)	23 (88.5)	1.00
No	7	0 (0.0)	7 (100.0)
Tumour Sub-sites
Tongue	18	3 (16.7)	15 (83.3)	0.233
Others (Buccal)	15	0 (0.0)	15 (100.0)
Tumour Size
T1 & T2	18	2 (11.1)	16 (88.9)	1.00
T3 & T4	12	1 (8.3)	11 (91.7)
Lymph Node Status
Positive	11	0 (0.0)	11 (100.0)	0.535
Negative	20	3 (15.0)	17 (85.0)
TNM Staging
Stage I/II	12	2 (16.7)	10 (83.3)	0.540
Stage III/IV	20	1 (5.0)	19 (95.0)
Histological Grading
Well differentiated	14	1 (7.1)	13 (92.9)	1.00
Moderate differentiated	17	2 (11.8)	15 (88.2)