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Table 1 Clinicopathological characteristics of gastric cancer patients

From: Heterogeneous programmed death-ligand 1 expression in gastric cancer: comparison of tissue microarrays and whole sections

Clinicopathological characteristicN = (%)
Age (years)
 < 6069 (45.4%)
 ≥ 6083 (54.6%)
Gender
 Male104 (68.4%)
 Female48 (31.6%)
Size (cm)
 < 586 (56.6%)
 ≥ 566 (43.4%)
Differentiation
 Well and moderately18 (11.8%)
 Poorly and others134 (88.2%)
Lauren’s histological classification
 Intestinal82 (53.9%)
 Diffused37 (24.3%)
 Mixed25 (16.4%)
 Indeterminate8 (5.3%)
Depth of invasion
 T17 (4.6%)
 T222 (14.5%)
 T345 (29.6%)
 T478 (51.3%)
Lymph node metastasis
 N048 (31.6%)
 N133 (21.7%)
 N230 (19.7%)
 N341 (27.0%)
Vascular invasion
 Negative68 (44.7%)
 Positive84 (55.3%)
Nerve invasion
 Negative75 (49.3%)
 Positive77 (50.7%)
pTNM stage
 I14 (9.2%)
 II54 (35.5%)
 III79 (52.0%)
 IV5 (3.3%)