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Table 1 Demographic and operative information

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

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