Review Article

Pretreatment Lymphocyte Monocyte Ratio Predicts Long-Term Outcomes in Patients with Digestive System Tumor: A Meta-Analysis

Table 2

Meta-analysis of HRs from univariate survival analysis.

OutcomeGroupsNumber of studiesModelHR (95% CI) (%) Egger test

OSAll study18Fixed1.32 [1.28–1.36] 00.156
Tumor site
 Esophagus2Fixed1.35 [1.22–1.49]0
 Stomach3Fixed1.27 [1.19–1.35]0
 Colorectal9Fixed1.33 [1.28–1.39]0
 Liver2Fixed1.67 [1.35–2.04]0
 Pancreas2Fixed1.27 [1.12–1.43]0
Anatomic structure
 GT14Fixed1.32 [1.28–1.37]0
 Non-GT4Fixed1.35 [1.22–1.49]44
Stage
 NMS9Fixed1.33 [1.28–1.39]0
 Mixed3Fixed1.28 [1.19–1.37]0
 MS6Fixed1.35 [1.25–1.45]10
Ethnicity
 Asian13Fixed1.32 [1.28–1.37]0
 Non-Asian5Fixed1.33 [1.22–1.45]0
Cut-off value
 <3.08Fixed1.32 [1.27–1.39]0
 ≥3.010Fixed1.32 [1.25–1.39]4
Treatment
 With surgery9Fixed1.32 [1.28–1.37]0
 No surgery3Fixed1.33 [1.22–1.45]0

CSSAll study6Random1.35 [1.20–1.50]650.52
Tumor site
 Colorectal3Fixed1.32 [1.18–1.47]29
Anatomic structure
 GT5Fixed1.39 [1.28–1.52]24
Stage
 Mixed2Random1.27 [1.04–1.54]70
 MS3Fixed1.32 [1.18–1.47]29
Ethnicity
 Asian3Fixed1.49 [1.35–1.64]0
 Non-Asian3Fixed1.21 [1.12–1.28]12
Cut-off value
 <3.03Random1.28 [1.11–1.49]80
 ≥3.03Fixed1.47 [1.27–1.69]0

DFS/RFSAll study13Random1.26 [1.18–1.33]630.717
Tumor site
 Stomach2Fixed1.22 [1.12–1.33]0
 Colorectal7Fixed1.19 [1.11–1.28]46
 Liver2Random1.39 [1.14–1.69]78
Anatomic structure
 GT10Fixed1.20 [1.18–1.25]29
 Non-GT3Random1.41 [1.23–1.61]58
Stage
 NMS8Fixed1.22 [1.18–1.27]46
 MS4Random1.23 [1.03–1.49]81
Ethnicity
 Asian9Random1.27 [1.18–1.35]71
 Non-Asian4Fixed1.23 [1.12–1.37]32
Cut-off value
 <3.05Fixed1.27 [1.20–1.32]11
 ≥3.08Random1.22 [1.12–1.33]73

HR: hazard ratio; CI: confidence interval; OS: overall survival; CSS: cancer-specific survival; DFS: disease-free survival; RFS: recurrence-free survival; GT: gastrointestinal tract; NMS: nonmetastatic stage; MS: metastatic stage.