Table 2 Preoperative laboratory tests associated with POD in elderly GC patients

Hb (mg/dL)

12.0 ± 1.7

11.9 ± 1.8

0.672

WBC (× 10⁹/L)

7.5 ± 2.0

7.7 ± 1.8

0.452

Platelet (× 10⁹/L)

193 (82)

182 (80)

0.260

Cr (mg/dL)

0.91 ± 0.12

0.89 ± 0.11

0.213

Urea (mmol/L)

6.3 ± 1.0

6.4 ± 1.1

0.478

AFR

10.4 ± 1.9

9.7 ± 1.7

0.006*

NLR

3.5 (1.9)

4.7 (2.8)

< 0.001*

CEA (ng/ml)

-

-

0.440

 ≥ 5.0

20 (10.2)

10 (13.5)

-

 < 5.0

176 (89.8)

64 (86.5)

-

CA19-9 (kU/L)

-

-

0.228

 ≥ 40

19 (9.7)

11 (14.9)

-

 < 40

177 (90.3)

63 (85.1)

-

CA72-4 (U/mL)

-

-

0.455

 ≥ 6

25 (12.8)

7 (9.5)

-

 < 6

171 (87.2)

67 (90.5)

-

CA125 (U/ml)

-

-

0.205

 ≥ 35

27 (13.8)

6 (8.1)

-

 < 35

169 (86.2)

68 (91.9)

-