Table 1 Patient characteristics and perioperative outcomes

Preoperative characteristics

Age, years

75.3 (4.78)

Gender (male/female), n

12/6

BMI, kg/m²

22.3 (3.6)

SMI, kg/m²

6.9 (1.2)

ASA score (I/II), n

2/16

Charlson comorbidity index score*

6 (5–8)

Gait speed (m/s)

1.20 (0.17)

Handgrip strength (kg)

32.5 (8.1)

Serum albumin (g/dL)

4.1 (0.4)

Operative variables

Type of gastrectomy (TG/DG), n

9/9

Operative approach (open/laparoscopic), n

12/6

Reconstructive procedure (TG, Roux-en-Y/DG, Roux-en-Y/DG, Billroth I), n

9/7/2

Operation time, min*

262 (154–351)

Blood loss, ml*

85 (10–480)

Postoperative outcomes and pathological finding

Complications (≥ C-D grade II)

5

Postoperative hospital stay, days*

9.0 (9–82)

Pathological stage (I/II/III), n

10/5/2