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Table 1 Characteristics of patients treated by endoscopic submucosal dissection or surgery

From: Use of Immunostaining for the diagnosis of Lymphovascular invasion in superficial Barrett’s esophageal adenocarcinoma

CharacteristicsAll patients (n = 41)SSBEa (n = 30)LSBEb (n = 11)SSBE VS. LSBE
P-value
Age, median (range)67 (39-81)66 (39-88)68 (44-79)0.757
Sex (%)
 Male32 (78.0)23 (76.7)9 (81.8)1.000
 Female9 (22.0)7 (23.3)2 (18.2)
Body mass index (kg/m2), median (range)23.0 (16.7-32.6)23.1 (16.7-32.6)23.0 (16.7-32.6)0.596
Tumor size (mm), median (range)20 (6-60)17.5 (6-35)20 (10-60)0.223
Macroscopic type (%)
 Protruding type31 (75.6)25 (83.4)6 (54.5)0.164
 Flat type2 (4.9)1 (3.3)1 (9.1)
 Depressed type8 (19.5)4 (13.3)4 (36.4)
Initial treatment (%)
 Endoscopic submucosal dissection (ESD)13 (31.7)12 (40.0)1 (9.1)0.127
 Operation28 (68.3)18 (60.0)10 (90.9)
Histological type (%)
 Well differentiated (tub1)21 (51.2)18 (60.0)4 (36.4)0.181
 Moderately differentiated (tub2)17 (41.5)11 (36.7)5 (45.4)
 Poorly differentiated (por)3 (7.3)1 (3.3)2 (18.2)
  1. aSSBE short-segment Barrett’s esophagus
  2. bLSBE long-segment Barrett’s esophagus