Table 2 Baseline characteristics of PGC patients underwent one-stage vs two-stage R0 surgery

Age

63.72 ± 11.99

62.67 ± 12.16

T = 0.276

0.784

Gender (male)

75.86% (22/29)

80.00% (12/15)

χ² = 0.096

0.756

Tumor diameter (≥ 5 cm)

62.07% (18/29)

93.33% (14/15)

χ² = 4.872

0.027

Daily use of antiplatelet drugs

27.59% (8/29)

20.00% (3/15)

χ² = 0.303

0.582

Tumor differentiation (SRCC or Poorly/all)

13.80% (4/29)

6.67% (1/15)

χ² = 0.499

0.480

T staging (T4)

100.00% (29/29)

93.33% (14/15)

–-

0.341^a

N staging (N positive)

20.69% (6/29)

13.33% (2/15)

χ² = 0.360

0.549

M staging (M positive)

0.00% (0/29)

0.00% (0/15)

–-

0.999^a

Anatomical location ( Lower 1/3)

79.31% (23/29)

86.67% (13/15)

χ² = 0.360

0.549

HGB (< 90 g/L)

41.38% (12/29)

33.33% (5/15)

χ² = 0.270

0.603

CEA (≥ 10 ng/mL)

10.34% (3/29)

33.33% (5/15)

χ² = 3.512

0.061

Lymphadenectomy (D2)

62.07% (18/29)

100.00% (15/15)

–-

0.008^a

Lymph nodes harvested

17 (12, 24)

31 (27, 38)

U = 56.0

 < 0.001

Positive lymph nodes

2 (1, 5)

3 (2, 8.5)

U = 274.5

0.155

The total blood transfusion volume (mL)

200 (0, 800)

0 (0, 100)

U = 137.5

0.034

The total ICU stay (days)

3 (0, 3)

0 (0, 1.5)

U = 117.0

0.009