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Table 3 Comparison of the clinicopathological differences and operative outcomes of open 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 = 72

n = 119

n = 53

Gender (M/F)

47/25

82/36

41/12

0.153

Tumor size (cm)

5.4 ± 2.8

6.8 ± 18.5

4.3 ± 2.5

0.471

BMI (kg/m2)

23.6 ± 4.0

23.3 ± 4.0

22.6 ± 3.5

0.342

Resection extent

   

0.582

Subtotal/total gastrectomy

48/24

87/32

39/14

 

Reconstruction method

   

0.185

Billroth-I

4 (5.6)

17 (14.3)

7 (13.2)

 

Billroth-II

1 (1.4)

0

0

 

Roux-en-Y or uncut R-Y

67 (93)

102 (85.7)

46 (86.8)

 

Extent of lymphadenectomy

   

0.452

<D2/D2

5/64

5/109

6/47

 

Retrieved LN number

36.3 ± 13.9

32.7 ± 13.0

28.2 ± 13.4

0.004

Pathological T category

   

0.114

T1/T2/T3/T4

15/11/30/16

28/12/45/34

17/12/17/7

 

Pathological N category

   

0.003

N0/N1/N2/N3

22/17/16/17

43/10/26/40

29/4/12/8

 

Pathological TNM stage

   

0.004

I/II/III

19/20/33

31/15/73

22/13/18

 

Number of comorbidities

   

<0.001

0

46 (63.9)

22 (18.5)

9 (17)

 

1

19 (26.4)

57 (47.9)

22 (41.5)

 

2

7 (9.7)

40 (33.6)

22 (41.5)

 

Operative outcomes

Operative time

328.9 ± 101.1

312.0 ± 96.0

312.2 ± 101.2

0.475

Operative blood loss

294.1 ± 232.5

384.3 ± 457.7

366.9 ± 339.6

0.267

Postoperative hospital stay

10.8 ± 5.6

14.1 ± 12.8

15.2 ± 9.7

0.041

Surgical complications

3 (4.2)

10 (8.4)

6 (11.3)

0.317

Anastomosis leakage

2 (2.8)

2 (1.7)

1 (1.9)

0.699

Chylous leakage

0

2 (1.7)

0

0.877

Delayed gastric emptying

0

1 (0.8)

2 (3.8)

0.069

Intestinal obstruction

0

1 (0.8)

0

0.913

Wound infection

0

0

2 (3.8)

0.032

Intraabdominal abscess

0

4 (3.4)

0

0.826

Choledochofistula

0

1 (0.8)

0

0.913

Pancreatic fistula

1 (1.4)

0

0

0.195

Pneumonia

0

0

2 (3.8)

0.032

Surgical Mortality

0

1 (0.8)

1 (1.9)

0.250

  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 (%)