Plasma-Serum Cholesterol Differences in Children and Use of Measurements from Different Specimens
- Berentzen, N.E.
- Wijga, A.H.
- Rossem, van, L.
- Jongste, de, J.C.
- Boshuizen, H.C.
- Smit, H.A.
DOIAbstract
Background: We aimed to assess absolute plasma-serum differences and differences in ranking of total cholesterol (TC), high-density lipoprotein cholesterol (HDLC), and TC/HDLC ratio in children. Methods: We analysed data of 412 children participating in a Dutch birth cohort. TC, HDLC, and TC/HDLC ratio were determined in plasma at age 8 and 12 years and in serum at age 12 years. Results: Compared to serum, plasma TC at age 12 years was 0.07 mmol/l lower (95% CI -0.08 to -0.06), plasma HDLC was 0.06 mmol/l higher (95% CI 0.05-0.07), and plasma TC/HDLC ratio was 0.19 lower (95% CI -0.20 to -0.17) (p <0.0001). Intraclass correlation coefficients (ICCs) for ranking of TC, HDLC, and TC/HDLC ratio at age 12 years were 0.970, 0.745, and 0.979, res...
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