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Table 2 Results of subgroup and meta-regression analyses

From: Biomarker exploration of microRNA-203 as a promising substrate for predicting poor survival outcome in colorectal cancer

Subgroup Studies HR (95%CI) P-value Heterogeneity
(I2)
Pheterogeneity Meta-regression
(P-value)
Sample source       P = 0.993
 Serum 5 1.52 (0.75–3.10) P = 0.250 86.5% P < 0.001  
 Tissue 6 1.57 (1.06–2.32) P = 0.023 59.0% P = 0.032  
Sample size       P = 0.078
 Large(> 100) 5 2.05 (1.07–2.24) P < 0.001 0.0% P < 0.001  
 Small(< 100) 6 1.24 (0.66–2.31) P = 0.506 85.2% P = 0.899  
Ethnicity       P = 0.080
 Asian 7 1.28 (0.74–2.21) P = 0.384 82.3% P < 0.001  
 Non-Asian 4 2.08 (1.56–2.77) P < 0.001 0.0% P = 0.709