Table 3 Univariate logistic regression analysis for postoperative complications

Age (years)

   ≤ 53

Ref.

   > 53

1.38 (1.00, 1.92)

NLR

   ≤ 2.46

Ref.

   > 2.46

1.76 (1.27, 2.44)

PLR

   ≤ 227.52

Ref.

   > 227.52

2.18 (1.53, 3.12)

LMR

   ≤ 3.70

Ref.

   > 3.70

0.38 (0.27, 0.53)

TCLR

   ≤ 3.39

Ref.

   > 3.39

1.59 (1.13, 2.23)

FLR

   ≤ 2.64

Ref.

   > 2.64

2.04 (1.47, 2.83)

FAR

   ≤ 10.77

Ref.

   > 10.77

2.81 (1.98, 3.99)

SII

   ≤ 818.23

Ref.

   > 818.23

1.96 (1.41, 2.74)

PNI

   ≤ 46.73

Ref.

   > 46.73

0.29 (0.21, 0.41)

CONUT

   ≤ 4

Ref.

   > 4

2.50 (1.65, 3.78)

RBC (10^12/L)

   < 3.5

Ref.

   ≥ 3.5

0.31 (0.14, 0.67)

Hb (g/L)

   < 120

Ref.

   ≥ 120

0.54 (0.39, 0.75)

FIGO stage

   I

Ref.

   II

1.04 (0.60, 1.80)

   III

1.98 (1.30, 3.02)

   IV

3.18 (1.58, 6.38)

Ascites

   No

Ref.

   Yes

2.12 (1.48, 3.03)

Hydrothorax

   No

Ref.

   Yes

3.76 (1.99, 7.12)

Surgery methods

   Laparotomy

Ref.

   Laparoscopy

0.49 (0.33, 0.72)

Upper abdominal surgery

   No

Ref.

   Yes

3.71 (1.27, 10.82)

Enterectomy

   No

Ref.

   Yes

2.94 (1.71, 5.05)

Lymphadenectomy

   No

Ref.

   Yes

0.90 (0.66, 1.22)

Lymph node metastasis

   Negative

Ref.

   Positive

2.01 (1.34, 3.01)

Residue

   No residual disease

Ref.

   ≤ 1 cm

1.85 (1.26, 2.71)

   > 1 cm

1.47 (0.95, 2.26)