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Table 3 Stratification analysis of the meta-analysis for complications in patients with gastrointestinal malignancy

From: Geriatric nutritional risk index as a predictor of complications and long-term outcomes in patients with gastrointestinal malignancy: a systematic review and meta-analysis

Subgroup No. study No. patients Pooled HR (95% CI) p p for subgroup difference Heterogeneity
I2(%) PQ
Altogether 4 6035 2.19(1.57–3.05)  < 0.001   0.0 0.94
Publishing time      0.921   
 < 2019 2 2171 2.22(1.37–3.60) 0.001   0.0 0.573
 ≥ 2019 2 3864 2.15(1.35–3.42) 0.001   0.0 0.783
Country      0.875   
China 1 5788 2.28(1.22–4.25) 0.009  
Japan 3 83 2.15(1.45–3.19)  < 0.001   0.0 0.828
Sample      0.875   
 < 300 1 1295 2.15(1.45–3.19) 0.009  
 ≥ 300 3 4740 1.81(1.58–2.07)  < 0.001   0.0 0.828
Cutoff value      0.921   
 < 98 2 3274 2.22(1.37–3.60) 0.001   0.0 0.573
 ≥ 98 2 2761 2.15(1.35–3.42) 0.001   0.0 0.783
Cancer site      0.921   
GC 2 888 2.22(1.37–3.60) 0.001   0.0 0.573
CRC 2 6035 2.15(1.35–3.42) 0.001   0.0 0.783