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Table 3 Comparison of serum stress response indicators before and after treatment between the two groups (\( \overline{\mathrm{x}} \) ± s)

From: Clinical outcomes and effect on intraoperative blood loss and postoperative pain of patients undergoing retroperitoneal laparoscopic partial nephrectomy for complex renal tumors

Group

n

WBC (× 109)

Cortisol (μmol/L)

CRP (mg/L)

Before

After

Before

After

Before

After

RLPN group

24

5.53 ± 1.24

6.17 ± 1.18

0.47 ± 0.14

0.63 ± 0.14

7.62 ± 0.19

9.85 ± 2.14

OPN group

26

5.57 ± 1.29

7.24 ± 1.12

0.51 ± 0.16

0.89 ± 0.23

7.67 ± 0.15

12.37 ± 2.08

t

 

0.112

3.289

0.937

4.779

1.037

4.221

P

 

0.912

< 0.05

0.353

< 0.001

0.305

< 0.001