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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