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Table 1 Clinicopathologic characteristics of 627 patients with R0/1 resection for ductal adenocarcinoma of the pancreas

From: AB0 blood group and prognosis in patients with pancreatic cancer

Parameter Total Blood group A Blood group AB Blood group B Blood group O P-value
n 627 328 30 73 196  
Age [years]       0.58
<70 430 (69%) 224 (68%) 24 (80%) 50 (68%) 132 (67%)  
≥70 197 (31%) 104 (32%) 6 (20%) 23 (32%) 64 (33%)  
Sex       0.98
Male 341 (54%) 177 (54%) 17 (57%) 41 (56%) 106 (54%)  
Female 286 (46%) 151 (46%) 13 (43%) 32 (44%) 90 (46%)  
Procedure       0.16
Pancreatico-duodenectomy 443 (71%) 242 (74%) 20 (67%) 50 (68%) 131 (67%)  
Distal pancreatectomy 108 (17%) 49 (15%) 9 (30%) 15 (21%) 35 (18%)  
Total pancreatectomy 76 (12%) 37 (11%) 1 (3%) 8 (11%) 30 (15%)  
Tumor size       0.89
pT0/1 9 (1%) 5 (2%) 1 (3%) 1 (1%) 2 (1%)  
pT2 10 (2%) 6 (2%) 1 (3%) 1 (1%) 2 (1%)  
pT3 597 (95%) 310 (94%) 28 (93%) 70 (96%) 189 (96%)  
pT4 11 (2%) 7 (2%) 0 (0%) 1 (1%) 3 (2%)  
Lymph node status       0.37
negative 112 (18%) 57 (17%) 9 (30%) 13 (18%) 33 (17%)  
positive 515 (82%) 271 (83%) 21 (70%) 60 (82%) 163 (83%)  
Grading       0.68
G1 19 (3%) 9 (3%) 2 (7%) 2 (3%) 6 (3%)  
G2 424 (68%) 224 (69%) 17 (57%) 47 (65%) 136 (70%)  
G3 180 (29%) 93 (28%) 11 (37%9 23 (32%) 53 (27%)  
missing values 4      
Resection margin       0.56
negative 333 (53%) 177 (55%) 18 (60%) 34 (47%) 104 (53%)  
positive 290 (47%) 147 (45%) 12 (40%) 39 (53%) 92 (47%)  
missing values 4      
CA 19–9 [U/ml]       0.43
<37 130 (22%) 34 (19%) 20 (29%) 6 (21%) 70 (23%)  
≥37 457 (78%) 145 (81%) 50 (71%) 23 (79%) 239 (77%)  
missing values 40      
Rhesus factor       0.40
positive 521 (83%) 267 (81%) 28 (93%) 62 (85%) 164 (84%)  
negative 106 (17%) 61 (19%) 2 (7%) 11 (15%) 32 (16%)