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Table 3 Treatment outcomes for ESD-P and ESD-N after propensity score-matching

From: Propensity score-matching analysis to compare clinical outcomes of endoscopic submucosal dissection for early gastric cancer in the postoperative and non-operative stomachs

  ESD-P ESD-N P
n = 41 n = 41
Procedure time, min, median (IQR) 85 (57–120) 51 (28–79) < 0.001*
 Involving suture line, min, median (IQR) 120.0 (89.0–160.0)  
 Not involving suture line, min, median (IQR) 60.5 (38.5–84.75)  
Procedure time, min, mean ± SD 95.0 ± 59.0 57.8 ± 39.4  
Long procedure time 30 (73.2%) 16 (39.0%) 0.004*
En bloc resection, n (%) 41 (100%) 41 (100%)
Complete resection, n (%) 39 (95.1%) 40 (97.6%) 1
Curative resection, n (%) 37 (90.2%) 37 (90.2%) 1
Perforation, n (%) 1 (2.4%) 0 (0%) 1
Postprocedure bleeding, n (%) 1 (2.4%) 1 (2.4%) 1
Use of multiple kinds of endo-knives, n(%) 15 (36.6%) 7 (17.1%) 0.080
  1. ESD-P, endoscopic submucosal dissection of the postoperative stomach; ESD-N, endoscopic submucosal dissection of the non-operative stomach; SD, standard deviation; IQR, interquartile range
  2. The p value was calculated using the χ2 test or Fisher exact test for categorical data
  3. The p value was calculated using the Mann-Whitney U test for continuous data not normally distributed
  4. *Significant value