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Table 3 Description of the multi-trajectory groups of lipid indices

From: Multi-trajectories of lipid indices with incident cardiovascular disease, heart failure, and all-cause mortality: 23 years follow-up of two US cohort studies

Trajectory group N (%) Lipid Description and mean range from baseline to exam 4a
Group 1 3700 (25.1) LDL-C Over optimal and slightly decreasing from 120.0 to 112.2 mg/dL
HDL-C Low and stable (45.1–44.6 mg/dL)
Triglycerides Borderline and slightly increasing from 97.8 to 102.0 mg/dL over time
Group 2 2696 (18.7) LDL-C High and decreasing from 172.1 to 152.4 mg/dL over time
HDL-C Low and stable (45.0–43.5 mg/dL)
Triglycerides Borderline high and increasing from 147.1 to 162.3 mg/dL over time
Group 3 2412 (16.8) LDL-C Over optimal and decreasing from 120.2 to 106.0 mg/dL over time
HDL-C Very low and stable (37.3–36.8 mg/dL)
Triglycerides High and increasing from 200.9 to 219.3 mg/dL over time
Group 4 1355 (9.8) LDL-C Over optimal and slightly decreasing from 119.4 to 110.9 mg/dL
HDL-C Optimal and stable (59.8–58.7 mg/dL)
Triglycerides Borderline high and increasing from 142.6 to 161.0 mg/dL over time
Group 5 1868 (13.1) LDL-C Optimal and stable (101.8–98.0 mg/dL)
HDL-C High and stable (63.3–63.5 mg/dL)
Triglycerides Optimal and stable (69.3–74.0 mg/dL)
Group 6 865 (6.0) LDL-C Near-optimal and stable (107.3–103.8 mg/dL)
HDL-C Very high and stable (88.9–87.5 mg/dL)
Triglycerides Optimal and increasing from 76.8 to 88.4 mg/dL over time
Group 7 1477 (10.5) LDL-C High and slightly decreasing from 152.2 to 143.7 mg/dL over time
HDL-C High and stable (64.8–63.1 mg/dL)
Triglycerides Borderline and increasing from 89.5 to 102.3 mg/dL over time
  1. Triglycerides were analyzed on the log scale, but here they are described in terms of mg/dL
  2. HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol
  3. aBecause trajectories are defined in terms of mean lipid levels based on the association between each lipid and age, provided ranges correspond to means at baseline and exam four, and they are not equal to the minimum and maximum lipid values in each group