Table 2.
NMR lipidomics according to preclinical carotid atherosclerosis status
Whole cohort (n = 131) | Presence of carotid plaque | Presence of ≥ 3 plaques | |||
---|---|---|---|---|---|
No (n = 94) | Yes (n = 37) | No (n = 119) | Yes (n = 12) | ||
Triglycerides | 0.77 (0.51–1.08) | 0.76 (0.51–1.07) | 0.78 (0.50–1.43) | 0.77 (0.52–1.10) | 0.58 (0.40–1.01) |
Glycerophospholipids | 2.49 (2.30–2.72) | 2.51 (2.29–2.69) | 2.39 (2.15–2.85) | 2.51 (2.27–2.74) | 2.21 (2.12–2.57) |
Phosphatidylcholine | 2.40 (2.17–2.61) | 2.41 (2.18–2.59) | 2.35 (2.12–2.70) | 2.41 (2.18–2.62) | 2.26 (2.10–2.50) |
Sphingomyelin | 0.61 (0.55–0.67) | 0.62 (0.56–0.69) | 0.57 (0.54–0.66)* | 0.62 (0.55–0.68) | 0.58 (0.55–0.61) |
Lysophosphatidylcholine | 0.47 (0.41–0.53) | 0.48 (0.41–0.55) | 0.45 (0.41–0.51) | 0.48 (0.42–0.55) | 0.43 (0.40–0.46) |
Esterified cholesterol | 4.65 (4.38–5.11) | 4.65 (4.43–5.09) | 4.67 (3.98–5.28) | 4.67 (4.43–5.19) | 4.38 (3.94–4.70)* |
Free cholesterol | 2.08 (1.89–2.35) | 2.09 (1.94–2.35) | 2.08 (1.73–2.28) | 2.11 (1.91–2.36) | 1.90 (1.67–2.08)** |
Linoleic acid | 4.14 (3.74–4.59) | 4.20 (3.80–4.58) | 4.06 (3.59–4.67) | 4.20 (3.77–4.61) | 3.67 (3.46–4.20)* |
Saturated fatty acids | 4.77 (4.18–5.51) | 4.80 (4.20–5.44) | 4.63 (4.12–5.76) | 4.80 (4.17–5.51) | 4.65 (4.48–5.78) |
ω-3 fatty acids | 0.24 (0.19–0.30) | 0.24 (0.19–0.30) | 0.25 (0.19–0.32) | 0.25 (0.19–0.30) | 0.22 (0.19–0.40) |
ω-6 fatty acids | 2.73 (2.43–3.34) | 2.83 (2.49–3.37) | 2.60 (2.28–3.27) | 2.82 (2.47–3.35) | 2.30 (1.57–2.82)* |
ω-7 fatty acids | 2.62 (2.27–3.05) | 2.63 (2.25–2.98) | 2.54 (2.34–3.28) | 2.63 (2.25–3.10) | 2.53 (2.41–2.80) |
ω-9 fatty acids | 3.86 (3.09–4.79) | 3.79 (3.21–4.55) | 4.38 (2.73–5.57) | 3.86 (3.17–4.77) | 3.40 (2.15–4.83) |
DHA | 0.088 (0.064–0.118) | 0.085 (0.065–0.114) | 0.097 (0.060–0.139) | 0.088 (0.065–0.114) | 0.115 (0.048–0.151) |
ARA-EPA | 0.61 (0.51–0.82) | 0.61 (0.50–0.82) | 0.61 (0.51–0.81) | 0.61 (0.50–0.82) | 0.62 (0.57–0.75) |
Data are shown as median (Q1–Q3). Data are presented as mmol/L
ARA arachidonic acid, DHA docosahexaenoic acid, EPA eicosapentaenoic acid
*p < 0.05; **p < 0.01 between groups