Table 1.

Clinical characteristics of subjects

Parameter	Case (n=24)	Control (n=18)	P
Age (years)	61.5±8.4	61.9±7.8	0.097
Height (cm)	161.5±7.9	168.1±5.5	0.115
Waist/hip ratio	0.94±0.05	0.93±0.03	0.761
BMI (kg/m2)	20.6±3.5	24.4±3.4	0.805
Smoking (n)	24	13	0.088
Hoover’s sign positive (n)	17	0	0.025

BMI: Body mass index