Gastroenterology Research and Practice / 2015 / Article / Tab 2 / Research Article
Impact of the Siewert Classification on the Outcome of Patients Treated by Preoperative Chemoradiotherapy for a Nonmetastatic Adenocarcinoma of the Oesophagogastric Junction Table 2 Correlation between patients characteristics and Siewert classification.
Siewert 1 Siewert 2 + 3
(spearman correlation)Cancer center, (%) 1 1 (16.7) 5 (83.3) 0.9 2 13 (24.1) 41 (75.9) 3 0 (0) 1 (100) 4 1 (25) 3 (75) Karnofsky index, (%) 80–100 13 (25) 39 (75) 0.5 <80 1 (14.3) 6 (85.7) Sex, (%) Women 0 6 (100) 0.2 Men 15 (25.4) 44 (74.6) Age, (%) ≤62 years 6 (17.6) 28 (82.4) 0.2 >62 years 9 (29) 22 (71) Histologic differentiation, (%) Well differentiated 3 (30) 7 (70) 0.3 Intermediate 4 (44.4) 5 (55.6) Undifferentiated 3 (17.6) 14 (82.4) UST, (%) UST 1-2 4 (57.1) 3 (42.9) 0.06 UST 3-4 11 (19.3) 46 (80.7) USN, (%) USN 0 1 (11.1) 8 (88.9) 0.3 USN 1 14 (25.5) 41 (74.5) Tumoral length, (%) <50 mm 8 (32) 17 (68) 0.3 ≥50 mm 7 (23.3) 23 (76.7) ypT, (%) pT 0–2 12 (30) 28 (70) 0.2 pT 3-4 3 (16.7) 15 (83.3) ypN, (%) pN0 11 (34.4) 21 (65.6) 0.07 pN ≥ 1 4 (14.3) 24 (85.7)