Table 5. Dietary intakes by median of NEAP in case and control groups.
| Variable | Case (RA) | Control (Healthy) | ||||
|---|---|---|---|---|---|---|
| NEAP < 44.80 | NEAP > 44.80 | p value* | NEAP < 44.80 | NEAP > 44.80 | p value* | |
| Energy (kcal/day) | 2,120.70 ± 715.39 | 2,291.50 ± 834.73 | 0.41 | 2,281.59 ± 868.26 | 2,497.40 ± 1,045.70 | 0.09 |
| Carbohydrate (g/day) | 333.19 ± 106.79 | 351.56 ± 145.66 | 0.59 | 370.64 ± 154.01 | 388.35 ± 166.15 | 0.41 |
| Protein (g/day) | 69.81 ± 26.97 | 82.26 ± 30.03 | 0.10 | 71.92 ± 30.51 | 88.65 ± 43.01 | 0.001 |
| Fat (g/day) | 63.24 ± 27.91 | 66.31 ± 24.49 | 0.66 | 63.90 ± 25.51 | 69.15 ± 31.83 | 0.18 |
| Calcium (mg/day) | 1,021.42 ± 395.05 | 1,222.20 ± 562.98 | 0.12 | 1,094.69 ± 490.10 | 1,352.93 ± 706.80 | 0.001 |
| Magnesium (mg/day) | 304.00 ± 112.79 | 273.57 ± 107.43 | 0.31 | 318.80 ± 143.84 | 297.05 ± 137.05 | 0.25 |
| Phosphorus (mg/day) | 1,058.90 ± 419.33 | 1,025.81 ± 382.20 | 0.76 | 1,053.24 ± 450.16 | 1,141.95 ± 536.00 | 0.18 |
| Potassium (mg/day) | 3,264.60 ± 1,288.90 | 2,522.60 ± 952.92 | 0.01 | 3,468.40 ± 1,562.30 | 2,727.70 ± 1,342.60 | 0.001 |
| Sodium (mg/day) | 3,678.00 ± 1,368.40 | 4,339.00 ± 1,614.20 | 0.10 | 4,122.23 ± 1,710.00 | 4,729.50 ± 2,518.70 | 0.03 |
| Cholesterol (mg/day) | 214.40 ± 127.86 | 236.94 ± 145.89 | 0.54 | 208.05 ± 106.22 | 269.57 ± 175.79 | 0.001 |
| Fiber (g/day) | 23.27 ± 8.80 | 19.82 ± 8.13 | 0.13 | 25.51 ± 13.13 | 21.35 ± 11.88 | 0.01 |
| Omega-3 (mg/day) | 0.04 ± 0.02 | 0.04 ± 0.03 | 0.96 | 0.03 ± 0.03 | 0.04 ± 0.03 | 0.008 |
| Red Meat (g/day) | 8.28 ± 9.61 | 14.51 ± 21.55 | 0.16 | 11.86 ± 18.01 | 13.04 ± 14.85 | 0.60 |
| Dairy (g/day) | 267.56 ± 175.11 | 406.38 ± 361.47 | 0.07 | 386.70 ± 384.90 | 459.35 ± 526.59 | 0.24 |
| Vegetable (g/day) | 99.95 ± 33.22 | 104.22 ± 37.96 | 0.65 | 110.35 ± 41.42 | 113.76 ± 57.24 | 0.61 |
| Fruit (g/day) | 130.47 ± 43.67 | 139.84 ± 52.22 | 0.47 | 144.79 ± 55.45 | 152.95 ± 78.13 | 0.37 |
NEAP, net endogenous acid production; RA, rheumatoid arthritis.
*Calculated by t-test.