Figure 6From: 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 the following four studies (excluding the outliers): Haug et al. [ 18 ], Shastri et al. [ 11 ], Hardt et al. [ 15 ] and Abdullah et al. [ 13 ]. Back to article page