Table 1.

Baseline characteristics by tertiles of TC

CharacteristicTertile 1, TC < 193 mg/dl (n = 275)Tertile 2, TC 193 to 232 mg/dl (n = 284)Tertile 3, TC > 232 mg/dl (n = 281)P for trend
Age (years)50.3 ± 13.251.6 ± 12.253.3 ± 11.60.02
White (%)90.084.281.10.02
Males (%)68.462.750.5<0.01
History of diabetes (%)4.05.36.00.54
History of CVD (%)12.714.412.10.7
Current smoking (%)11.68.59.60.44
Systolic BP (mmHg)130 ± 16.8131.8 ± 17.2134 ± 18.40.03
Body mass index (kg/m2)26.4 ± 4.527.4 ± 4.427.6 ± 4.4<0.01
C-reactive protein (mg/dl)0.44 (0.5)0.42 (0.5)0.55 (0.8)0.04
Etiology of kidney disease (%)
    polycystic kidney disease272817
    GN2728390.17
    other464444
GFR (ml/min per 1.73 m2)32.4 ± 12.532.4 ± 11.932.8 ± 11.60.85
Serum albumin (g/dl)4.0 ± 0.34.0 ± 0.34.0 ± 0.40.10
Proteinuria (g/d)0.8 (1.2)1.0 (1.4)1.5 (2.0)<0.01
  • Data are mean ± SD or median (interquartile range).