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Table 2 Comparison of the clinicopathological differences and operative outcomes of minimally invasive gastrectomy according to age

From: Comparison of the surgical outcomes of minimally invasive and open surgery for octogenarian and older compared to younger gastric cancer patients: a retrospective cohort study

 

<60 yr

60–79 yr

80 yr

P value

n = 40

n = 48

n = 27

Gender (M/F)

18/22

25/23

19/8

0.117

Tumor size (cm)

3.5 ± 1.5

3.5 ± 1.6

3.9 ± 2.3

0.574

BMI (kg/m2)

23.7 ± 4.1

23.8 ± 3.2

24.4 ± 3.1

0.713

Resection extent

   

0.005

Subtotal/total gastrectomy

30/10

45/3

26/1

 

Reconstruction method

   

0.012

Billroth-I

11 (27.5)

25 (52.1)

6 (22.2)

 

Roux-en-Y or uncut R-Y

29 (72.5)

23 (47.9)

21 (77.8)

 

Extent of lymphadenectomy

<D2/D2

3/36

1/47

2/25

0.838

Retrieved LN number

35.0 ± 10.4

29.7 ± 12.0

26.0 ± 10.1

0.005

Pathological T category

   

0.820

T1/T2/T3/T4

25/5/6/4

30/4/12/2

17/3/6/1

 

Pathological N category

   

0.271

N0/N1/N2/N3

26/4/4/6

31/7/8/2

20/2/4/1

 

Pathological TNM stage

   

0.390

I/II/III

22/12/6

28/14/6

18/6/3

 

Number of comorbidities

   

<0.001

0

28 (70)

18 (37.5)

5 (18.5)

 

1

7 (17.5)

15 (31.3)

6 (22.2)

 

2

5 (12.5)

15 (31.3)

16 (59.3)

 

Operative outcomes

Operative time (min)

344.9 ± 142.9

270.3 ± 109.9

311.5 ± 106.6

0.019

Operative blood loss (mL)

59.8 ± 59.9

71.3 ± 74.1

63.7 ± 59.2

0.710

Postoperative hospital stay (day)

9.5 ± 6.4

12.2 ± 14.0

10.7 ± 8.6

0.499

Surgical complications

3 (7.5)

8 (16.7)

6 (22.2)

0.088

Anastomosis leakage

0

1 (2.1)

1 (3.7)

0.249

Anastomosis stenosis

1 (2.5)

1 (2.1)

1 (3.7)

0.794

Chylous leakage

1 (2.5)

0

0

0.240

Intraabdominal abscess

0

1 (2.1)

0

0.881

Delayed gastric emptying

1 (2.5)

6 (12.5)

4 (14.8)

0.076

Intestinal obstruction

0

0

1 (3.7)

0.140

Surgical Mortality

0

0

0

1.000

  1. BMI: body mass index; LN: lymph node; comorbidities including cardiovascular disease, cerebrovascular accident, endocrine disease, pulmonary disease, liver cirrhosis, benign prostate hyperplasia, etc.
  2. Some patients had more than one complication
  3. Data were presented as mean ± SD or n (%)