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Table 6 Factors associated with incomplete resection after propensity score matching

From: The outcomes of modified endoscopic mucosal resection and endoscopic submucosal dissection for the treatment of rectal neuroendocrine tumors and the value of endoscopic morphology classification in endoscopic resection

 Complete resection (n = 142)incomplete resection (n = 12)P value
Patient-related variables
 Age, y (mean ± SD)50.7 ± 11.047.6 ± 8.40.257
 Sex, male/female81/619/30.364
Lesion-related variables
 Lesion size, mm (mean ± SD)6.1 ± 2.26.5 ± 1.60.318
 Lesion size group, n (%)
  < 10 mm124(87.3%)12 (100%)0.398
  ≥ 10 mm18(12.7%)0(0.0%) 
 Location, (U / Middle / L)9/79/542/6/40.410
 Histopathological grade(G1/G2)128/148/40.050
 Invasion layer, (M/SM)29/1131/110.525
 Endoscopic morphology, n (%)  0.022*
  Ia10(7.1%)0(0.0%) 
  Ib104(73.2%)6(50.0%) 
  II26(18.3%)4(33.3%) 
  III2(1.4%)2(16.7%) 
Outcomes variables
 Procedure type, n (%)  0.548
  m-EMR70(49.3%)7(58.3%) 
  ESD72(50.7%)5(41.7%) 
 En bloc resection, n (%)141(99.3%)12(100%)0.922
  1. ESD Endoscopic submucosal dissection, m-EMR Modified endoscopic mucosal resection, SD standard deviation, U upper third of rectum, L lower third of rectum, M mucosal, SM submucosal
  2. *p < 0.05