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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Clin Chem. 2011 Jun 23;57(8):1178–1187. doi: 10.1373/clinchem.2011.167544

Table 2.

Association of LDL Measures with Incident Hypertension

Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5 LR
Chi2
P for
trend
LDL Cholesterol mg/dL 23.7 – 94.6 94.7 – 111.6 111.7 – 127.7 127.8 – 148.6 148.7 – 335.4
  Unadjusted 1 1.06 (0.95,1.18) 1.21 (1.08,1.34) 1.28 (1.15,1.42) 1.45 (1.30,1.61) 59.37 <0.001
  Model 1 1 0.97 (0.87,1.09) 1.04 (0.93,1.16) 1.03 (0.92,1.15) 1.08 (0.96,1.20) 3.58 0.11
  Model 2 1 0.97 (0.87,1.09) 1.04 (0.93,1.16) 1.03 (0.92,1.15) 1.07 (0.96,1.2) 3.32 0.13
Apolipoprotein B, mg/dL 21.8 – 78 78.0 – 91.2 91.3 – 106.2 106.3 – 122.8 122.9 – 257.4
  Unadjusted 1 1.12 (1.00,1.26) 1.45 (1.30,1.63) 1.69 (1.51,1.88) 2.23 (2.00,2.48) 282.03 <0.001
  Model 1 1 0.99 (0.88,1.11) 1.14 (1.01,1.28) 1.23 (1.10,1.38) 1.44 (1.28,1.61) 57.68 <0.001
  Model 2 1 0.99 (0.88,1.11) 1.13 (1.00,1.26) 1.21 (1.08,1.36) 1.39 (1.24,1.56) 46.52 <0.001
NMR particle concentration, nmol/L
Total LDL Particles 303 – 947 948 –1135 1136 – 1335 1336 – 1624 1625 – 4405
  Unadjusted 1 1.29 (1.15,1.45) 1.59 (1.42,1.78) 2.09 (1.87,2.34) 2.82 (2.53,3.15) 444.67 <0.001
  Model 1 1 1.13 (1.00,1.27) 1.23 (1.09,1.39) 1.46 (1.30,1.64) 1.73 (1.54,1.95) 105.61 <0.001
  Model 2 1 1.11 (0.99,1.26) 1.20 (1.07,1.36) 1.41 (1.26,1.59) 1.63 (1.45,1.84) 82.09 <0.001
IDL Particles 0 – 5 6 – 20 21 – 40 41 – 73 74 – 339
  Unadjusted 1 1.12 (1.00,1.25) 1.36 (1.22,1.52) 1.67 (1.50,1.86) 1.95 (1.75,2.17) 209.03 <0.001
  Model 1 1 1.02 (0.91,1.15) 1.16 (1.03,1.30) 1.3 (1.16,1.46) 1.35 (1.20,1.51) 44.52 <0.001
  Model 2 1 1.01 (0.9,1.14) 1.14 (1.01,1.28) 1.25 (1.12,1.41) 1.29 (1.15,1.44) 32.10 <0.001
Large LDL Particles 0 – 384 385 – 500 501 – 603 604 – 731 732 – 2917
  Unadjusted 1 0.72 (0.65,0.80) 0.70 (0.64,0.78) 0.64 (0.57,0.71) 0.74 (0.66,0.82) 82.85 <0.001
  Model 1 1 0.82 (0.73,0.91) 0.83 (0.74,0.92) 0.75 (0.67,0.83) 0.82 (0.74,0.92) 29.49 <0.001
  Model 2 1 0.84 (0.75,0.93) 0.85 (0.77,0.95) 0.77 (0.69,0.86) 0.85 (0.76,0.95) 22.94 0.001
Small LDL Particles 0 – 313 314 – 507 508 – 712 713 – 1040 1041 – 3457
  Unadjusted 1 1.13 (1.01,1.27) 1.37 (1.22,1.53) 1.91 (1.71,2.13) 2.51 (2.25,2.79) 398.83 <0.001
  Model 1 1 1.06 (0.94,1.20) 1.17 (1.04,1.32) 1.44 (1.28,1.61) 1.62 (1.45,1.83) 96.32 <0.001
  Model 2 1 1.05 (0.93,1.19) 1.15 (1.02,1.29) 1.39 (1.24,1.56) 1.53 (1.36,1.73) 72.90 <0.001
Average NMR LDL Size, nm 19.0 – 20.8 20.9 – 21.2 21.3 – 21.6 21.7 – 22 22.1 – 23.0
  Unadjusted 1 0.72 (0.65,0.80) 0.61 (0.55,0.67) 0.51 (0.46,0.57) 0.44 (0.39,0.48) 301.70 <0.001
  Model 1 1 0.86 (0.77,0.96) 0.78 (0.70,0.86) 0.71 (0.64,0.79) 0.64 (0.57,0.72) 70.82 <0.001
  Model 2 1 0.88 (0.79,0.98) 0.81 (0.73,0.89) 0.75 (0.67,0.83) 0.68 (0.6,0.76) 51.50 <0.001

Ranges (minimum – maximum) and odds ratios with 95% confidence intervals are given for each quintile.

Model 1 includes age, smoking, fasting status, use of cholesterol lowering medication, trial treatment assignment, hormone use, menopausal status, race, exercise, alcohol use, body mass index, diabetes, education, vegetable, fruit, sodium, and total grain intake.

Model 2 adds C-reactive protein, homocysteine, fibrinogen, soluble inter-cellular adhesion molecule 1, and hemoglobin A1C to Model 1