Table 5 Comparison of blood glucose, plasma cortisol and IL-6 levels in the enrolled patients (N = 62)

Preoperation

Blood glucose (mmol/L)

5.3 ± 0.5

5.5 ± 0.7

0.308

Plasma cortisol (nmol/L)

98.5 ± 36.5

92.4 ± 41.0

0.537

IL-6 (pg/ml)

2.1 [1.1, 3.2]

2.1 [1.2, 5.1]

0.851

Postoperation

Blood glucose (mmol/L)

6.3 ± 0.8

6.3 ± 0.8

0.988

Plasma cortisol (nmol/L)

127.8 ± 40.5

137.7 ± 51.9

0.404

IL-6 (pg/ml)

6.5 [3.0, 10.2]

7.8 [3.3, 18.6]

0.253#