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Table 1 Characteristics of the study population: overall and by plaque presence

From: Lipids and carotid plaque in the Northern Manhattan Study (NOMAS)

  Overall (N = 1804) No plaque (N = 698) Plaque (N = 1106)
Covariates
Age (Mean ± SD) 68.5 ± 10.1 64.5 ± 9.6 71.1 ± 9.5a
Male sex (%) 39.8 37.8 41.0
Race/ethnicity    
   Hispanic (%) 51.4 61.6 44.9a
   Black (%) 25.5 22.1 27.7a
   White (%) 23.1 16.3 27.4a
Hypertension (%) 73.5 68.6 76.5a
Diabetes (%) 21.2 18.8 22.7a
Cigarette smoker    
   Current (%) 15.5 12.2 17.6 a
   Former (%) 37.8 32.7 40.9 a
Pipe or cigar smoker    
   Current (%) 2.3 1.5 2.7a
   Former (%) 5.9 4.4 6.8 a
Moderate alcohol consumption (%) 35.1 34.7 35.3
Moderate to heavy physical activity (%) 10.0 12.0 8.8a
BMI (Mean ± SD) 27.9 ± 5.6 28.3 ± 5.6 27.7 ± 5.6a
Lipid Parameters (Mean ± SD)    
Total cholesterol (N = 1804) 202 ± 41 200 ± 40 203 ± 42
LDL (N = 1804) 127 ± 37 125 ± 37 128 ± 37
HDL (N = 1804) 48 ± 15 48 ± 15 48 ± 15
Triglycerides (N = 1804) 133 ± 71 135 ± 80 133 ± 65
Non-HDL (N = 1804) 154 ± 41 152 ± 40 155 ± 42
Lp(a) (N = 582) 41 ± 41 39 ± 36 43 ± 44
ApoB (N = 568) 113 ± 30 108 ± 29 116 ± 30a
ApoA-I (N = 568) 146 ± 28 147 ± 29 145 ± 27
T-CHOL:HDL (N = 1804) 4.58 ± 1.57 4.54 ± 1.52 4.60 ± 1.61
LDL:HDL (N = 1804) 2.92 ± 1.24 2.87 ± 1.18 2.95 ± 1.27
ApoB:ApoA-I (N = 568) 0.81 ± 0.29 0.77 ± 0.30 0.83 ± 0.28a
  1. ap < 0.05 vs. no plaque, X2 test for categorical variables and t-test for continuous variables