Table 1.

Patients and tumor clinicopathologic characteristics.

Variables	Number of patients	Low TIL levels	High TIL levels	p-value
		(<50%)	(>50%)
	(n = 43)	(n = 32)	(n = 11)
Patients (n)	43	32	11
Patient age, years (mean ± SD)	52.3 ± 14.4	51.6 ± 13.6	54.8 ± 17	0.534
Lymph node metastasis
Negative	21 (48.8%)	16 (50%)	5 (45.5%)	0.795
Positive	22 (51.2%)	16 (50%)	6 (55.5%)
Histologic grade
Low	0	0	0
Moderate	11 (25.6%)	5 (15.6%)	5 (45.5%)	0.043
High	32 (74.4%)	27 (84.4%)	6 (54.5%)
Ki-67
Low (<14%)	17 (39.5%)	16 (50%)	10 (9.0%)	0.017
High (>14%)	26 (60.5%)	16 (50%)	1 (91.0%)
EGFR
Negative	28 (65.1%)	22 (68.8%)	6 (54.5%)	0.394
Positive	15 (34.9%)	10 (31.2%)	5 (45.5%)
P53
Negative	16 (37.2%)	13 (40.6%)	3 (27.3%)	0.340
Positive	27 (62.8%)	19 (59.4%)	8 (72.7%)

EGFR, epidermal growth factor receptor; SD, standard deviation; TIL, tumor-infiltrating lymphocyte.