Characterization of immune checkpoints expression and lymphocyte densities of iranian breast cancer patients; the co-expression status and clinicopathological associates

Table 1 Demographic, histopathologic, and grading characteristics of evaluated samples

Variable	N	%	Variable	N	%
Age, year			Tubule formation
Mean ± SD	50.33 ± 11.36		I	19	5.26
Median (IQR)	49 (15)		II	147	40.72
Tumor size			III	195	54.02
Mean ± SD	3.33 ± 1.75		Overall grade
Median (IQR)	3 (2)		I	61	16.90
Surgery type			II	190	52.63
Lumpectomy	75	20.78	III	110	30.47
Mastectomy	69	19.11	LV invasion
Missing	217	60.11	Negative	70	19.39
Nuclear grade			Positive	291	80.61
I	12	3.32	LN involvement
II	214	59.28	Negative	157	43.49
III	135	37.40	Positive	204	56.51
Mitotic grade
I	135	37.40
II	138	38.23
III	88	24.38

ISSN: 1471-2407