Factors

Group A (n = 12)

Group B (n = 12)

P value

Male/Female

8/4

7/5

0.5000

Age (years)

65.1 (40 - 79)

64.8 (33 - 78)

0.5000

Depth of cancer invasion

Mucosa

50.0% (6/12)

58.3% (7/12)

0.5000

Submucosa

25.0% (3/12)

25.0% (3/12)

Muscularis propria

25.0% (3/12)

16.7% (2/12)

Lymph node metastasis

No

100% (12/12)

100% (12/12)

Pathological stage

Stage IA

75.0% (9/12)

73.3% (10/12)

0.5000

Stage IB

25.0% (3/12)

26.7% (2/12)

Lymph node resection

D1

75.0% (9/12)

73.3% (10/12)

0.5000

D1 + α

25.0% (3/12)

26.7% (2/12)

PHCV preservation

Preservation

100% (12/12)

100% (12/12)

No preservation

0% (0/12)

0% (0/12)

Resected stomach

2/3

100% (12/12)

100% (12/12)

Length of antral cuff (mean ± SD cm)

3.1 ± 0.4

2.0 ± 0.5

<0.0001

Past history

No

100% (12/12)

100% (12/12)

Postoperative complication

Wound infection

0% (0/12)

8.3% (1/12)

0.5000

Postoperative chemotherapy (6 months after operation)

No

75.0% (9/12)

83.3% (10/12)

0.5000