Diagnostic value of interleukin-8 in colorectal cancer: A case-control study and meta-analysis

Figure 1 Flow diagram of the study selection process.

Figure 2 Area under the receiver operating characteristic curve value of interleukin-8 in colorectal cancer from the original study. ROC: Receiver operating characteristic.

Figure 3 Diagnostic performance of interleukin-8 in the detection of colorectal cancer. A: Forest plots of the pooled sensitivity and specificity in CRC diagnosis; B: sROC curve analysis in CRC diagnosis. sROC: Summary receiver operating characteristic; CRC: Colorectal cancer.

Figure 4 Positive likelihood ratio, negative likelihood ratio, diagnostic odds ratio and Deek’s funnel plot. A: Positive LR; B: Negative LR; C: Diagnostic OR; D: Deek’s funnel plot asymmetry test. LR: Likelihood ratio; OR: Odds ratio.