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

Table 1 Demographic and operative information

Parameters	Middle-aged	Aged	Z/χ²/t	P
Age(yrs)	53.93 ± 7.40	71.80 ± 5.85	Z = −6.658	<0.001
Gender(M/F)	11/19	13/17	χ² = 2.411	0.121
Height(cm)	167.77 ± 11.63	163.30 ± 9.10	t = 1.657	0.103
Weight(kg)	66.33 ± 11.88	65.67 ± 11.70	t = 0.219	0.827
BMI	23.44 ± 2.46	24.44 ± 2.62	t = −1.525	0.133
Operative time(min)	64.87 ± 10.10	63.77 ± 11.33	t = 0.397	0.693

ISSN: 1471-2474