Table 2.
Median (25th, 75th quartile) dietary intake of fatty acids (g/day and E%) and fatty acid concentrations of plasma phospholipids (PL) (weight%), Nordic Nutrition Recommendations (NRR) and correlation between diet (g/day) and plasma PL in colorectal cancer patients (n = 65)a.
| Dietary fat intake | NRR | Plasma PL (weight %) | r | ||
|---|---|---|---|---|---|
| g/day | E% | ||||
| Total fat | 90.3 (75.7, 107.5) | 33.8 (30.4, 36.9) | <30 E% | ||
| Total saturated fatty acids | 33.7 (28.3, 41.1) | 12.9 (11.0, 14.0) | <10 E% | 40.2 (39.5, 40.9) | 0.23 |
| 16:0 (palmitic acid) | 16.9 (14.0, 19.4) | 6.3 (5.4, 6.9) | 27.5 (26.4, 28.9) | 0.20 | |
| 18:0 (stearic acid) | 7.9 (6.7, 10.1) | 3.1 (2.7, 3.5) | 12.5 (11.9, 13.5) | −0.05 | |
| 16:1n-7 (palmitoleic acid) | 1.6 (1.4, 1.8) | 0.6 (0.5, 0.7) | 0.52 (0.46, 0.69) | 0.31c | |
| 18:1n-9 (oleic acid) | 27.3 (22.0, 32.6) | 10.1 (8.5, 11.4) | 8.5 (7.8, 9.4) | 0.20b | |
| 20:1n-9 (eicosenoic acid) | 0.7 (0.6, 0.9) | 0.3 (0.2, 0.3) | 0.14 (0.12, 0.16) | 0.12 | |
| 18:2n-6 (linoleic acid) (LA) | 15.2 (12.1, 19.5) | 5.7 (4.7, 6.7) | 20.3 (17.4, 22.0) | 0.10 | |
| 18:3n-3 (α-linolenic acid (ALA) | 2.1 (1.8, 2.8) | 0.8 (0.7, 0.9) | 0.25 (0.21, 0.30) | 0.12 | |
| 20:4n-6 (arachidonic acid) (AA) | 0.14 (0.11, 0.18) | 0.05 (0.04, 0.06) | 9.2 (7.9, 10.7) | 0.03 | |
| 20:5n-3 (eicosapentaenoic acid) (EPA) | 0.30 (0.21, 0.43) | 0.1 (0.07, 0.18) | 1.3 (1.0, 2.2) | 0.21 | |
| 22:6n-3 (docosahexaenoic acid) (DHA) | 0.50 (0.38, 0.64) | 0.2 (0.13, 0.27) | 5.6 (4.7, 6.9) | 0.42d | |
| Sum EPA + DHA | 0.82 (0.60, 1.04) | 0.3 (0.2, 0.4) | ≥0.45 g/day | 7.2 (5.8, 9.2) | 0.36c |
| Ratio AA/EPA | 0.42 (0.35, 0.67) | 6.9 (4.8, 9.1) | 0.14 | ||
| Sum n-3 fatty acids (ALA + EPA + DHA) | 3.08 (2.55, 3.77) | 1.1 (1.0, 1.3) | >1 E% | 7.35 (6.11, 9.38) | 0.16 |
| Sum n-6 fatty acids (LA + AA) | 15.37 (12.30, 19.80) | 5.7 (4.8, 6.8) | 30.10 (27.55, 31.65) | −0.08 | |
| Ratio n-3/n-6 fatty acids | 0.19 (0.17, 0.23) | 0.25 (0.20, 0.33) | 0.29b | ||
| Total polyunsaturated fatty acids | 18.4 (14.9, 23.4) | 7.0 (6.0, 8.0) | 5–10 E% | 37.7 (36.5, 39.2) | −0.16 |
aAbbreviations are as follows: E%: percent of energy intake; NRR: Nordic Nutrition Recommendations; PL: phospholipids; r: Pearson correlation coefficient.
bSignificant correlation (P < 0.05).
cSignificant correlation (P ≤ 0.01).
dSignificant correlation (P = 0.001).