Table 1.

Clinical characteristics of LSCC patients in the training, validation, and overall datasets

Covariates	Type	Total	Test	Train	P value
Age	≤65	76 (65.52%)	38 (65.52%)	38 (65.52%)	1
Age	> 65	40 (34.48%)	20 (34.48%)	20 (34.48%)
Gender	FEMALE	20 (17.24%)	11 (18.97%)	9 (15.52%)	0.8058
Gender	MALE	96 (82.76%)	47 (81.03%)	49 (84.48%)
Grade	G1	8 (6.9%)	4 (6.9%)	4 (6.9%)	0.7406
Grade	G2	71 (61.21%)	37 (63.79%)	34 (58.62%)
Grade	G3	32 (27.59%)	15 (25.86%)	17 (29.31%)
Grade	G4	1 (0.86%)	0 (0%)	1 (1.72%)
Grade	unknow	4 (3.45%)	2 (3.45%)	2 (3.45%)
Stage	Stage I	2 (1.72%)	1 (1.72%)	1 (1.72%)	0.2865
Stage	Stage II	9 (7.76%)	6 (10.34%)	3 (5.17%)
Stage	Stage III	14 (12.07%)	4 (6.9%)	10 (17.24%)