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Table 1: 
Baseline characteristics among the subgroups of patients in the present study
VariableTotalStable (n = 74)Progression (n = 21)P
Age (years)73.072.973.20.84
Male (%)88.487.890.51.00
Enrollment period (months)36.234.641.60.12
Hypertension (%)71.671.671.41.00
Diabetes mellitus (%)29.528.433.30.79
Hypercholesterolemia (%)36.836.538.11.00
Coronary artery disease (%)45.343.252.40.62
Current smoking (%)23.223.023.81.00
Symptomatic before CAS (%)48.444.661.90.22