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Table 2 Meta-regression analyses for the potential source of heterogeneity

From: Influences of laparoscopic-assisted gastrectomy and open gastrectomy on serum interleukin-6 levels in patients with gastric cancer among Asian populations: a systematic review

Heterogeneity factors Coefficient SE t P(Adjusted) 95% CI
LL UL
Year 0.293 0.404 0.73 0.832 −0.695 1.281
Sample Size −0.018 0.020 −0.91 0.717 −0.104 0.031
Country −0.500 1.902 −0.26 0.998 −7.725 4.155
Language −2.399 1.856 −1.29 0.503 −11.084 2.141
  1. SE Standard Error; LL Lower Limit; UL Upper Limit.