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Table 1 Characteristics of subjects (N = 93)

From: Associations between microvascular function and short-term exposure to traffic-related air pollution and particulate matter oxidative potential

Characteristic Mean ± SD or N(%)
Age (years) ± SD 74.9 ± 7.6
Body mass index (kg/m2) ± SD 27.8 ± 5.5
 Overweight (25–29.9) 35 (37.6)
 Obesity (≥30) 28 (30.1)
Male 25 (26.9)
Former smoker 39 (41.9)
Reactive hyperemia index (RHI) score 1.95 (0.4)
Cardiovascular history  
 Coronary artery disease 16 (17.2)
 Congestive heart failure 8 (8.6)
 Stroke 9 (9.7)
 Hypertension 62 (66.7)
 Hypercholesterolemia (by history) 50 (53.8)
Lipid Profile  
 Total cholesterol > 200 mg/dL 37 (39.8)
 LDL-C > 130 mg/dL 29 (31.2)
 HDL-C < 50 mg/dL for women; < 40 mg/dL for men 25 (26.9)
Adult-onset diabetes mellitus 21 (22.6)
Medications:  
 Anti-hypertensive medications 62 (66.7)
 HMG-CoA reductase inhibitors (statins) 45 (45.2)