Expression of pyruvate dehydrogenase is an independent prognostic marker in gastric cancer

Table 3 Association of PDH expression with different subtypes of gastric adenocarcinoma according to WHO classification

Tissue Sample	n	PDH				PR (%)
		-	+-	+	++
Well-differentiated	44	6	9	12	17	65.91
Moderately differentiated	76	9	16	36	15	67.11
Poorly differentiated	100	30	31	31	8	391
Mucinous	30	2	6	17	5	73.33
Signet ring cell	15	3	6	6	0	40
Total	265	50	68	102	45	55.50

¹Compared with well-differentiated P = 0.004, moderately differentiated P < 0.001, or mucinous. P value obtained from Pearson χ² test; PDH: Pyruvate dehydrogenase.