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. 2020 Sep 22;8(10):E1273–E1279. doi: 10.1055/a-1226-6372

Table 1. Baseline characteristics of the study population according to assisted ESD.

Number (%)
Characteristic Standard ESD (n = 51) DEIP (n = 60) P value
Mean (± SD) age at ESD, years 66.3 ± 10.7 65.5 ± 10.8 .7

  • Male

 23 (45.1) 32 (53.3) .4

  • Female

 28 (54.9) 28 (46.7)

  • Mean (± SD) BMI

 28.0 ± 4.4 29.3 ± 6.2 .2

  • Mean (± SD) size of lesion, cm 2

6.2 ± 5.5 7.6 ± 6.0 .2
Histopathology .4

  • Adenoma (tubular)

 22 (43.1) 33 (55.0)

  • Tubulovillous and villous adenoma

 5 (9.8) 5 (8.3)

  • Polyp with high-grade dysplasia

 6 (11.8) 7 (11.7)

  • Adenocarcinoma T1 mucosa

 2 (3.9) 1 (1.7)

  • Adenocarcinoma T1 submucosa

 2 (3.9) 2 (3.3)

  • Sessile serrated adenoma

 8 (15.7) 10 (16.7)

  • Hyperplastic

 0 1 (1.7)

  • Other

 6 (11) 1 (1.7)
Location of lesion .3

  • Right colon

 37 (72.5) 49 (81.7)

  • Left colon

 14 (27.5) 11 (18.3)

ESD, endoscopic submucosal dissection; DEIP, double-balloon endoluminal intervention platform; BMI, body mass index.