Table 5.

Comparison of the two sets of stress responses (mean ± SD)

Index	Group	Study group (n = 45)	Control group (n = 45)	t value	P value
ATCH (pmol/L)	Before surgery	11.22 ± 5.35	11. 64 ± 5.51	0.367	> 0.05
	After surgery	14.21 ± 12.03	20. 35 ± 12.37	2.387	< 0.05
AD (pmol/L)	Before surgery	30.35 ± 7.49	31. 22 ± 7.48	0.551	> 0.05
	After surgery	39.69 ± 8.71	46. 86 ± 7.36	4.218	< 0.05
Cor (nmol/L)	Before surgery	230.51 ± 8.92	231. 64 ± 8.76	0.606	> 0.05
	After surgery	299.13 ± 9.42	312. 02 ± 9.64	6.4150	< 0.05

ATCH: Adrenocorticotropic hormone; AD: Androstenedione; Cor: Cortisol.