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Table 4 Distribution of clinicopathological characteristics by surgical group

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

  No. of studies PD group LR group OR 95%CI p value Heterogeneity
(I2), %
Egger’s test
(p value)
Total Events Total Events
Gender (male) 9 173 102 345 173 1.38 0.95–2.02 0.09 0
Location(D2) 8 128 83 292 110 3.39 1.69–6.79 < 0.001 50
Mitotic count ≥5 7 148 55 288 60 2.24 1.42–3.52 < 0.001 0
Risk category (High+Intermediate) 9 173 106 345 119 3.17 2.13–4.71 < 0.001 0
Margins resection (R1 + R2) 10 184 3 402 28 0.54 0.20–1.45 0.22 0 0.181
Postoperative complication 10 196 80 427 82 2.90 1.90–4.42 < 0.001 10 0.319
Imatinib therapy 5 84 26 176 38 1.78 0.93–3.38 0.08 0
  1. LR Limited resection, PD Pancreaticoduodenectomy, D2 The second part of the duodenum, OR Odds ratio, CI Confidence interval, R1 Incomplete excision with positive margins under microscopy, R2 Incomplete excision with macroscopic positive margins