Table 4.

Distribution of plasma FFA concentrations.

Age, years (n)FFAs, mmol/L
Mean (95% CI)Percentile (95% CI)
5th25th50th75th95th
Boys9 (342)0.49 (0.47–0.51)0.20 (0.18–0.22)0.32 (0.30–0.35)0.47 (0.44–0.50)0.60 (0.58–0.63)1.01 (0.82–1.07)
13 (370)0.41 (0.38–0.43)0.18 (0.16–0.20)0.28 (0.26–0.29)0.37 (0.35–0.38)0.49 (0.46–0.52)0.76 (0.69–0.99)
16 (375)0.33 (0.31–0.35)0.14 (0.12–0.15)0.20 (0.20–0.22)0.30 (0.28–0.31)0.40 (0.38–0.44)0.61 (0.57–0.74)
Girls9 (369)0.54 (0.52–0.57)0.24 (0.21–0.27)0.39 (0.36–0.41)0.51 (0.49–0.54)0.65 (0.62–0.68)1.01 (0.82–1.11)
13 (352)0.42 (0.40–0.44)0.21 (0.18–0.23)0.30 (0.28–0.32)0.39 (0.38–0.42)0.50 (0.47–0.52)0.70 (0.66–0.78)
16 (436)0.43 (0.41–0.45)0.17 (0.15–0.19)0.29 (0.28–0.31)0.39 (0.37–0.42)0.52 (0.50–0.55)0.77 (0.72–1.00)