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Table 4 Relationships for baseline US measurements and risk factors

From: One, two and three-dimensional ultrasound measurements of carotid atherosclerosis before and after cardiac rehabilitation: preliminary results of a randomized controlled trial

Risk factors   IMT (mm)   TPA (cm2)   TPV (mm3)   VWV (mm3)
  n r p n r p n r p n r p
  Group A
∆ IMT (mm) 17 -0.44 0.88 17 0.23 1.00 13 0.17 1.00 12 -0.30 1.00
∆ TPA (cm2) 17 0.24 1.00 19 -0.10 1.00 14 0.06 0.85 13 0.24 1.00
∆ TPV (mm3) 13 0.08 0.79 14 0.22 1.00 14 0.07 1.00 13 -0.64 0.15
∆ VWV (mm3) 12 0.34 1.00 13 0.25 1.00 13 -0.10 1.00 13 -0.04 0.91
∆ BMI (kg/m2) 16 -0.15 1.00 18 0.35 1.00 13 0.27 1.00 12 -0.21 1.00
∆ TC (mmol/L) 16 0.25 1.00 18 0.31 1.00 13 0.09 1.00 12 -0.45 1.00
∆ HDL (mmol/L) 16 0.20 1.00 18 0.39 1.00 13 0.26 1.00 12 -0.34 1.00
∆ LDL (mmol/L 16 0.11 1.00 18 0.06 0.82 13 -0.15 1.00 12 -0.29 1.00
∆ TG (mmol/L) 16 0.30 1.00 18 0.46 0.58 13 0.40 1.00 12 -0.21 1.00
∆ SBP (mmHg) 16 -0.10 1.00 18 -0.10 1.00 13 -0.14 1.00 12 -0.12 1.00
∆ DBP (mmHg) 16 0.13 1.00 18 -0.06 1.00 13 -0.32 1.00 12 0.63 0.30
  Group B
∆ IMT (mm) 19 -0.21 1.00 16 0.06 1.00 18 0.18 1.00 16 0.26 1.00
∆ TPA (cm2) 16 -0.01 0.98 17 0.13 1.00 15 0.20 1.00 13 -0.18 1.00
∆ TPV (mm3) 18 0.01 1.00 15 0.04 0.88 18 -0.01 0.96 16 -0.31 1.00
∆ VWV (mm3) 16 0.35 1.00 13 0.22 1.00 16 0.14 1.00 16 -0.22 1.00
∆ BMI (kg/m2) 19 -0.33 1.00 17 -0.54 0.30 18 -0.52 0.29 16 -0.06 1.00
∆ TC (mmol/L) 19 -0.18 1.00 17 0.15 1.00 18 0.28 1.00 16 -0.01 0.99
∆ HDL (mmol/L) 19 0.20 1.00 17 0.06 1.00 18 -0.08 1.00 16 0.03 1.00
∆ LDL (mmol/L 19 -0.30 1.00 17 0.06 1.00 18 0.24 1.00 16 -0.01 1.00
∆ TG (mmol/L) 19 -0.24 1.00 17 0.16 1.00 18 0.34 1.00 16 -0.01 1.00
∆ SBP (mmHg) 19 0.05 1.00 17 0.14 1.00 18 0.14 1.00 16 -0.07 1.00
∆ DBP (mmHg) 19 -0.33 1.00 17 -0.10 1.00 18 0.02 1.00 16 0.27 1.00
  1. BMI = body mass index; TC = total cholesterol; HDL = high density lipoprotein; LDL = low density lipoprotein; TG = triglycerides; SBP = systolic blood pressure; DBP = diastolic blood pressure; IMT = intima-media thickness; TPA = total plaque area; TPV = total plaque volume; VWV = vessel wall volume; ∆, Delta = FU-BL.