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Table 1 Patient and tumour characteristics in the entire cohort and according to tumour location

From: Expression and prognostic significance of the polymeric immunoglobulin receptor in esophageal and gastric adenocarcinoma

Factor Entire cohort (n = 175) n (%) Esophagus (n = 60) n (%) GE-junction (n = 45) n (%) Stomach (n = 66) n (%) P*
Age      
 Mean 70.2 76.9 69.9 72.0 0.080
 Median 69.8 66.02 68.7 72.6  
 (Range) 42.6-94.4 48.2-88.5 48.7-88.5 42.6-94.4  
Sex      
 Women 41 (23.4) 6 (10.0) 12 (26.7) 20 (30.3) 0.007
 Men 134 (76.6) 54 (90.0) 33 (73.3) 46 (69.7)  
T stage      
 1 19 (11.0) 9 (15.3) 3 (6.8) 6 (9.2) 0.265
 2 32 (18.6) 10 (16.9) 4 (9.1) 17 (26.2)  
 3 94 (54.7) 34 (57.6) 33 (75.0) 26 (40.0)  
 4 27 (15.7) 6 (10.2) 4 (9.1) 16 (24.6)  
 Missing 3 1 1 1  
Resection margins      
 R0 122 (69.7) 38 (63.3) 30 (66.7) 51 (77.3) 0.016
 R1 34 (19.4) 10 (16.7) 11 (24.4) 12 (18.2)  
 R2 19 (10.9) 12 (20.0) 4 (8.9) 3 (4.5)  
Examined nodes      
 Mean 29.0 36.6 29.7 25.8 <0.001
 Median 30.2 33.5 28.00 23.0  
 Range 1-112 10-72 8-48 1-112  
 Missing 14 2 1 11  
N stage      
 0 59 (33.7) 15 (25.0) 12 (26.7) 28 (42.4) 0.032
 1 30 (17.1) 11 (18.3) 7 (15.6) 12 (18.2)  
 2 41 (23.4) 15 (25.0) 14 (31.1) 12 (18.2)  
 3 45 (25.7) 19 (31.7) 12 (26.7) 14 (21.2)  
M stage      
 0 137 (88.4) 51 (86.4) 40 (88.9) 45 (91.8) 0.377
 1 18 (11.6) 8 (13.6) 5 (11.1) 4 (8.2)  
 Missing 20 1   19  
Differentiation grade      
 High 6 (4.0) 3 (5.9) 1 (2.5) 1 (1.8) 0.002
 Intermediate 40 (26.8) 21 (41.2) 9 (22.5) 9 (16.4)  
 Low 103 (69.1) 27 (52.9) 30 (75.0) 45 (81.8)  
 Missing 26 9 5 11  
Adjuvant radio/chemotherapy      
 No 150 (85.7)) 54 (93.1) 39 (90.7) 55 (85.9) 0.196
 RT 1 (0.6) 1 0 0  
 CT with oxaliplatin 2 (1.1) 0 0 2 (3.1)  
 CT without oxaliplatin 3 (1.7) 0 2 (4.7) 1 (1.6)  
 RT + CT without oxaliplatin 6 (3.4) 2 (3.4) 2 (4.7) 2 (3.1)  
 RT + CT, NOS 2 0 0 2 (3.1)  
 Yes, NOS 3 (1.7) 1 (1.7) 0 2 (3.1)  
 Unknown 8 2 2 2  
Location      
 Esophagus 60 (35.1) - - -  
 GE-junction 45 (26.3) - - -  
 Stomach 66 (38.6) - - -  
 Unknown 4     
Follow-up      
 Mean 2.92 2.97 2.87 2.92 0.848
 Median 2.27 2.65 2.17 2.15  
 Range 0.01-7.70 0.26-7.70 0.01-7.64 0.03-7.60  
Vital status      
 Alive 64 (36.6) 27 (45.0) 14 (31.1) 22 (33.3) 0.184
 Dead 111 (63.4) 33 (55.0) 31 (68.9) 44 (66.7)  
Recurrence      
 No 64 (46.4) 24 (46.2) 14 (38.9) 25 (50.0) 0.705
 Yes 74 (53.6) 28 (53.8) 22 (61.1) 25 (50.0)  
 Unknown 37 8 9 16  
  1. *Chi-square test and Fisher’s Exact test was applied for analysis of differences in the distribution of clincipathological characteristics according to tumour location, not including the entire cohort.