Comparison of cortisol and inflammatory response between aged and middle-aged patients undergoing total hip arthroplasty: a prospective observational study

Table 2 Cortisol, IL-6 and CRP levels before and 6 h, 24 h and 3 days after THA

Parameters		Aged	Middle-aged	t/Z	P
Cortisol (nmol/L)	Preoperation	314.84 ± 89.65	291.93 ± 111.00	−1.38	0.17
	6 h	701.85 ± 156.32	807.12 ± 161.34	2.57	0.01
	24 h	550.99 ± 210.73	607.70 ± 214.31	−0.72	0.47
	POD3	562.63 ± 142.70	609.00 ± 153.53	1.21	0.23
IL-6 (pg/ml)	Preoperation	3.54 ± 1.55	3.96 ± 1.59	1.05	0.30
	6 h	64.14 ± 16.43	52.81 ± 29.16	−2.48	0.01
	24 h	165.35 ± 50.50	114.53 ± 56.78	−3.47	<0.01
	POD3	32.60 ± 13.42	28.99 ± 15.01	−1.21	0.23
CRP (mg/L)	Preoperation	3.35 ± 1.88	2.87 ± 1.27	−0.61	0.54
	6 h	3.70 ± 2.27	3.14 ± 1.88	−0.98	0.33
	24 h	90.47 ± 22.44	81.56 ± 21.09	−1.59	0.12
	POD3	119.40 ± 32.06	100.27 ± 25.34	−2.56	0.01

ISSN: 1471-2474