Faecal pyruvate kinase isoenzyme type M2 for colorectal cancer screening: A meta-analysis

Figure 1 Faecal pyruvate kinase isoenzyme type M2 in healthy controls, patients with colorectal adenoma and colorectal cancer[51]. Faecal M2-PK: Faecal pyruvate kinase isoenzyme type M2.

Figure 2 Distribution of faecal pyruvate kinase isoenzyme type M2 concentrations in a screening collective of 2787 participants aged from 45 to 65 years[52]. n: Number of test negative; N: Total number of subjects; M2-PK: Pyruvate kinase isoenzyme type M2.

Figure 3 Percentage of faecal pyruvate kinase isoenzyme type M2-positive volunteers by age group (from Tonus et al[49]).