Table 3.

Partial Pearson's correlation coefficients (r) between each fatty acid compositions (mol%) in erythrocyte membranes in control subjects (n = 221)

SFAs
MUFAs
PUFAs
n-6 PUFAs
n-3 PUFAs
n-3 HUFAs
16:018:016:1n-718:1n-918:2n-620:4n-6 (AA)20:5n-3 (EPA)22:5n-322:6n-3 (DHA)
SFAs*1.00
    16:00.861.00
    18:000.52NS1.00
MUFAs0.280.44−0.221.00
    16:1n-70.450.46NS0.611.00
    18:1n-90.200.38−0.260.980.441.00
PUFAs−0.84−0.84−0.24−0.75−0.65−0.691.00
    n-6 PUFAs§−0.62−0.68NS−0.63−0.50−0.590.781.00
        18:2n-6−0.16−0.270.15−0.39−0.21−0.390.330.661.00
        20:4n-6 (AA)−0.67−0.65−0.22−0.51−0.51−0.450.750.72NS1.00
    n-3 PUFAs−0.72−0.66−0.29−0.57−0.54−0.510.810.28NS0.481.00
    n-3 HUFAs−0.72−0.64−0.33−0.54−0.54−0.470.800.27−0.160.510.991.00
        20:5n-3 (EPA)−0.35−0.31−0.17−0.39−0.35−0.350.46NS−0.230.150.790.801.00
        22:5n-3−0.70−0.63−0.30−0.51−0.48−0.450.770.31NS0.460.900.910.661.00
        22:6n-3 (DHA)−0.79−0.70−0.35−0.54−0.56−0.460.840.37NS0.600.950.960.620.861.00
  • NOTE: Partial Pearson's correlation (r) is adjusted for age, sex, BMI, and season of data collection: P < 0.05 for −0.17, −0.16, and 0.15; P < 0.01 for −0.24, −0.23, −0.22, −0.21, and −0.20; and P < 0.0001 for others.

    Abbreviation: NS, not significant.

  • * SFAs = 14:0 + 16:0 + 18: 0.

  • MUFAs = 16:1n-7 + 18:1n-9.

  • PUFAs = n-6 PUFAs + n-3 PUFAs.

  • § n-6 PUFAs = 18:2n-6 + 18:3n-6 + 20:3n-6 + 20:4n-6 (AA).

  • n-3 PUFAs = 18:3n-3 + n-3 HUFAs.

  • n-3 HUFAs = 20:5n-3 (EPA) + 22:6n-3 (DHA).