Table 1 Clinicopathologic characteristics, operative and pathological results of the patients

Demographics

 Male/female

92 (78.0%)/26 (22.0%)

 Age (years)

55.4 ± 10.7 [30–77]

 Body mass index (kg/m²)

22.2 ± 2.8 [22.1, 16–30.4]

 Tumor location (Upper/Middle/Lower)

33 (28.0%)/11 (9.3%)/74 (62.7%)

Operative results

 Gastrectomy (Total/distal)

35 (29.7%)/83 (70.3%)

 Operative time (minutes)

246.6 ± 45.7 [240, 175–440]

 Time for No.6 lymphadenectomy (minutes)

32.1 ± 5.8 [25–42]

 Blood loss (mL)

87.0 ± 35.9 [20–230]

 Open conversion

0

Postoperative recovery

 Mortality

0

 Complications

21 (17.8%)

 Pulmonary infections or plural effusion

15 (12.7%)

 Intraperitoneal abscesses

3 (2.5%)

 Surgical site infections

1 (0.8%)

 Gastroplegia

2 (1.7%)

 First flatus (days)

4.9 ± 1.3 [2–8]

 First liquid diet intake (days)

3.3 ± 1.1 [2–6]

 Postoperative hospital stay (days)

9.6 ± 3.7 [6–28]

Pathologic results

 Tumor size (cm)

3.0 ± 1.4 [3, 0.5–8]

 No. of total retrieved lymph nodes

36.8 ± 12.9 [12–79]

 No. of retrieved No.6 lymph nodes

5.1 ± 3.1 [0–17]

 Mean number of overall metastatic lymph nodes

1.8 ± 2.9 [0–14]

 Mean number of No.6 metastatic lymph nodes

0.2 ± 0.6 [0–3]

 Patients with No.6 lymph nodes metastasis

15 (12.7%)

 Stage^* I/II/III

57 (48.3%)/36 (30.5%)/25 (21.2%)