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Table 1 Summary of subject clinicopathological information

From: Mass spectrometric profiling of DNA adducts in the human stomach associated with damage from environmental factors

  GC (N = 59) Non-GC (N = 7)
  Mean (SD) Mean (SD)
Age 68 (7.5) 72 (8.4)
BMI 20 (3.9) 19 (1.9)
  N (%) N (%)
Sex
 Female 13 (22) 1 (14)
 Male 46 (78) 6 (86)
Tobacco smoking
 Never 20 (34) 1 (14)
 Former 25 (42) 2 (29)
 Current 14 (24) 4 (57)
Alcohol consumption
 Never 24 (41) 5 (71)
 Social drinking 12 (20) 0 (0)
 Light 4 (7) 0 (0)
 Moderate 9 (15) 0 (0)
 Heavy 10 (17) 2 (29)
Operative procedure
 Total resection 16 (27)  
 Proximal resection 2 (3)  
 Distal resection 39 (66)  
 Other (partial) 2 (3)  
T category
 T1a 12 (20)  
 T1b 14 (24)  
 T2 4 (7)  
 T3 19 (32)  
 T4a 9 (15)  
 T4b 1 (2)  
N category
 N0 29 (49)  
 N1 10 (17)  
 N2 8 (14)  
 N3a 8 (14)  
 N3b 4 (7)  
Pathological stage
 IA 21 (36)  
 IB 5 (8)  
 IIA 7 (12)  
 IIB 8 (14)  
 IIIA 5 (8)  
 IIIB 8 (14)  
 IIIC 5 (8)  
Tumor location
 Upper 9 (15)  
 Middle 26 (44)  
 Lower 23 (39)  
 Others 1 (2)  
Classification of cases by sampled gastric zone
 UML 9 (15)  
 UM 4 (7)  
 ML 42 (71)  
 M 3 (5)  
 Unknown 1 (2)  
  1. The basic characteristics of gastric cancer (GC) or nongastric cancer (non-GC) subjects are summarized. Tumor-related information is also presented for GC cases. The details of this information are described in Supplementary Table S4