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. 2019 May 17;7(6):E764–E770. doi: 10.1055/a-0894-4374

Table 2. Evaluation of full circumferential mucosal defects.

Study group (n = 5) Control group (n = 3) P value
Sex (male/female)   3/2   2/1 0.71
Age, median (range) y  70 (57 – 79)  69 (63 – 72) 0.78
Tumor location 0.12

  • Upper thoracic

   3   0

  • Middle thoracic

   1   1

  • Lower thoracic

   1   1

  • Abdominal

   0   1
Macroscopic type 0.63

  • Elevated

   1   0

  • Flat/depressed

   4   3
Depth of invasion 0.36

  • T1a

   3   3

  • T1b

   2   0
Resection size, mean ± SD, mm  47.6 ± 12.5  52 ± 7.2 0.61
Rate of en-bloc resection (%) 100 100 –
Operation time, mean ± SD, min 267.5 ± 54.4 256.7 ± 72.3 0.83
Time to esophageal stricture, mean ± SD, day  34.5 ± 8.7  11.0 ± 3.5 0.057
Frequency of stricture, n (%)   4 (80)   3 (100) 0.62
No. of required EBDs, median (range)   7 (0 – 11)  13 (6 – 19) 0.96

EBD, endoscopic balloon dilation; SD, standard deviation