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Table 3 Combination of hazard ratio (HR) associated with recurrence-free survival of duodenal gastrointestinal stromal tumors

From: Pancreaticoduodenectomy versus limited resection for duodenal gastrointestinal stromal tumors: a systematic review and meta-analysis

  No. of studies No. of patients HR 95%CI p value Heterogeneity (I2), % Egger’s test
(p value)
Gender (Male vs. Female) 8 500 1.42 1.02–1.97 0.04 0
Age (≥60 vs. < 60) 5 343 1.12 0.72–1.77 0.61 0
Tumor size (≥5 vs. < 5 cm) 8 550 3.59 2.32–5.55 < 0.001 26
No. of mitosis/50 HPF (≥5 vs. < 5) 8 550 4.10 2.11–7.98 < 0.001 62
Type of surgery (PD vs. LR) 10 623 1.93 1.39–2.69 < 0.001 0 0.639
Imatinib treatment (Yes vs. no) 7 525 0.95 0.60–1.49 0.82 0
Risk grade (High/Other) 3 135 6.33 2.04–19.66 0.001 33