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Table 1 Patient characteristics and BMI undergoing open gastrectomy with D2 lymph-node dissection for gastric cancer

From: Effect of obesity on intraoperative bleeding volume in open gastrectomy with D2 lymph-node dissection for gastric cancer

  High BMI (n = 21) (%) Normal BMI (n = 79) (%) p value
Age (years) 67.5 ± 6.0 65.6 ± 10.6 0.4361
Gender    0.1153
   Male 18 (85.7) 54 (68.4)  
   Female 3 (14.3) 25 (31.6)  
SFA (cm2) 155.2 ± 35.8 105.3 ± 53.4 0.0001
VFA (cm2) 155.0 ± 41.1 69.5 ± 41.7 <0.0001
Tumor location    0.5773
   U 2 (9.5) 10 (12.7)  
   M 12 (57.1) 35 (44.3)  
   L 7 (33.3) 34 (43.0)  
Macroscopic type    0.6873
   Superficial 6 (28.6) 25 (31.6)  
   Well-defined 9 (42.9) 26 (32.9)  
   Ill-defined 6 (28.6) 28 (35.4)  
Tumor size (mm) 50.1 ± 35.8 56.4 ± 27.9 0.3898
Histological type    0.9490
   Differentiated 11 (52.4) 42 (53.2)  
   Undifferentiated 10 (47.6) 37 (46.8)  
Depth of invasion    0.5844
   T1 5 (23.8) 28 (41.2)  
   T2 9 (42.9) 16 (23.5)  
   T3 7 (33.3) 24 (35.3)  
Lymph-node metastasis    0.4651
   N0 7 (33.3) 28 (40.0)  
   N1 9 (42.9) 27 (38.6)  
   N2 5 (23.8) 12 (17.1)  
   N3 0 (0) 3 (4.3)  
Stage    0.5214
   IA 4 (19.0) 18 (22.8)  
   IB 4 (19.0) 18 (22.8)  
   II 3 (14.3) 19 (24.1)  
   IIIA 6 (28.6) 11 (13.9)  
   IIIB 3 (14.3) 6 (7.6)  
   IV 1 (4.8) 7 (8.9)  
Preoperative complications    0.9055
   Absence 12 (57.1) 44 (55.7)  
   Presence 9 (42.8) 35 (44.3)  
LigaSure Atlas    0.4614
   Used 12 (57.1) 38 (48.1)  
   Not used 9 (42.9) 41 (51.9)  
Operative procedure    0.5091
   Distal gastrectomy 8 (53.3) 53 (62.4)  
   Total gastrectomy 7 (46.7) 32 (37.6)  
Splenectomy    0.9817
   Absence 16 (76.2) 60 (75.9)  
   Presence 5 (23.8) 19 (24.1)  
  1. BMI = body-mass index; SFA = subcutaneous fat area; VFA = visceral fat area;
  2. P < .05 was considered statistically significant