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Table 4 Results of meta-regression analyses exploring causes of heterogeneity with overall survival in gastrointestinal tumor

From: Prognostic value of YKL-40 in solid tumors: a meta-analysis of 41 cohort studies

Covariates OS
Univariate analysis
Ethnicity 0.0407
Publication year 0.5750
YKL-40 cutoff value 0.0908
Sample size 0.6562
Proportion of advanced stage 0.4457
Specimen type 0.4700
Treatment method 0.6596
  1. OS overall survival