Figure 1From: A systematic review and meta-analysis of the diagnostic accuracy of pyruvate kinase M2 isoenzymatic assay in diagnosing colorectal cancer SROC curve of M2-PK isoenzymatic assay of faeces samples for following eight studies: Haug et al. [ 18 ], Shastri et al. [ 11 ], Tonus et al. [ 17 ], Koss et al. [ 16 ], Hardt et al. [ 15 ], Mulder et al. [ 10 ], Parente et al. [ 14 ] and Abdullah et al. [ 13 ]. Back to article page