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Table 3 Frequency of metabolites identified by elastic net penalized Cox regression in the sixteen selected models

From: Circulating serum metabolites as predictors of dementia: a machine learning approach in a 21-year follow-up of the Whitehall II cohort study

Name of metabolite

N (%)

Glucose (mmol/l)

16/16 (100)

Phospholipids to total lipids ratio in medium HDL (%)

15/16 (93.8)

Creatinine (mmol/l)

10/16 (62.5)

Triglycerides to total lipids ratio in very large VLDL (%)

8/16 (50.0)

Phospholipids to total lipids ratio in medium VLDL (%)

5/16 (31.3)

Alanine (mmol/l)

5/16 (31.3)

β-hydroxybutyrate (mmol/l)

3/16 (18.8)

Free cholesterol to total lipids ratio in small HDL (%)

2/16 (12.5)

Citrate (mmol/l)

2/16 (12.5)

Free cholesterol to total lipids ratio in very large VLDL (%)

1/16 (6.3)

Free cholesterol to total lipids ratio in large HDL (%)

1/16 (6.3)

Triglycerides to total lipids ratio in medium HDL (%)

1/16 (6.3)

Phospholipids to total lipids ratio in small HDL (%)

1/16 (6.3)

Sphingomyelins (mmol/l)

1/16 (6.3)

Albumin (signal area)

1/16 (6.3)

  1. VLDL very low-density lipoproteins, HDL high-density lipoprotein