Table 3 Demographics and perioperative features of elderly EGC and AGC patients who underwent laparoscopic distal gastrectomy

 Sex (male)

22

(54)

27

(69)

0.20

 Age (years)

77

(74–80)

77

(73–83.5)

0.60

 BMI (kg/m²)

24.2

(22.8–26.3)

23.9

(21.9–26.1)

0.50

 Charlson comorbidity index

2

(1–3)

1

(1–2)

0.20

 ECOG score (> 1)

7

(17)

11

(28)

0.30

 ASA classification (> 2)

7

(17)

9

(23)

0.60

 GNRI (≤ 98)

7

(17)

10

(26)

0.40

 PNI (≤ 48)

14

(34)

15

(39)

0.60

 Clinical N+ stage

5

(12)

20

(51)

<0.001*

 Site

0.99

  Pylorus or antrum

40

(98)

38

(97)

  Low body

1

(2.4)

1

(2.6)

 Size (cm)

2.6

(2–3)

4.5

(3.15–6)

<0.001*

 Bormann type

<0.001*

  Early gastric cancer

21

(51)

1

(2.6)

  I or II

10

(24)

12

(31)

  III or IV

10

(24)

26

(67)

 Lauren classification

0.99

  Intestinal type

28

(68)

28

(72)

  Diffuse type

8

(20)

7

(18)

  Mixed type

4

(9.8)

4

(10)

 LN metastasis (number)

0

(0–0)

4

(2–8)

<0.001*

 LN harvested (number)

31

(24–40)

37

(30–45)

0.084

 Pathological stage (AJCC 8th)

<0.001*

  I

41

(100)

0

(0)

  II

0

(0)

19

(49)

  III

0

(0)

20

(51)

 Anastomotic type

0.11

  Billroth I

35

(85)

27

(69)

  Billroth II

6

(15)

12

(31)

 Combined resection

5

(12)

5

(13)

0.99

 Operative time (min)

203

(186–219)

215

(190–238)

0.10

 Blood loss (mL)

100

(0–100)

100

(0–150)

0.80

 Complications (≥ grade 3)

2

(4.9)

5

(13)

0.30

 Length of postoperative hospitalization (d)

11

(10–13)

11

(10–14.5)

0.50

 Follow-up (mo)

35

(13–59)

15

(10–32)

0.007*