Table 2.

Frequency (%) of Tumor-Infiltrating Leukocyte Subsets in HCC and CCA BIOPSIES, Classified in Different Tumor Grades and Risk Stratification Categories

%			Monocytes	Macrophages	Lymphocytes	Neutrophils
			Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
	CCA (global mean)	(n = 8)	1.44 ± 1.29	2.07 ± 1.83	7.7 ± 5.6a	14.8 ± 16.7
CCA	Risk stratification	Low	0.40 ± 0.42	2.25 ± 2.90	8.0 ± 8.5	6.8 ± 2.5
		High	1.97 ± 1.28	1.98 ± 1.65	7.5 ± 5.4	18.9 ± 20.0
	Grades	G1-G2	1.17 ± 1.16	2.08 ± 1.81	5.8 ± 5.5	19.8 ± 18.8
		G3-G4	2.00 ± 1.84	2.05 ± 2.62	11.4 ± 5.2	4.9 ± 5.9
	HCC (global mean)	(n = 21)	2.56 ± 3.16	1.24 ± 1.23	33.1 ± 20.8a	7.2 ± 5.7
HCC	Risk stratification	Low	3.52 ± 4.16	1.36 ± 1.36	30.4 ± 21.9	5.5 ± 4.4
		High	1.49 ± 0.67	1.08 ± 1.13	36.1 ± 20.7	8.9 ± 6.6
	Grades	G1-G2	2.75 ± 3.74	1.08 ± 1.24	28.7 ± 19.9	7.4 ± 6.6
		G3-G4	2.10 ± 0.94	1.83 ± 1.22	43.6 ± 21.2	6.7 ± 3.4

Independent-samples Mann-Whitney U test and Kruskal-Wallis multiple comparison tests were performed with a significance level of .05 (P < .05). The results are given as mean ± SD. Global mean indicates mean values in CCA and HCC groups without discrimination among tumor grades or stages.

^aCCA vs. HCC.