Table 3 Daily micronutrient intake in patients with r-axSpA compared with matched controls
Patients (n = 81), mean ± SD | Controls (n = 319), mean ± SD | Difference (95% CI) | Recommended intakea | |
|---|---|---|---|---|
Calcium, mg | 831 ± 432 | 875 ± 450 | − 44 (− 150 to 62) | 800 |
Folate, µg | 264 ± 117 | 290 ± 117 | − 26 (− 54 to 3) | 300/400b |
Iodine, µg | 128 ± 88 | 109 ± 69 | 19 (− 1 to 40) | 150 |
Iron, mg | 11.5 ± 5.6 | 10.7 ± 4.8 | 0.8 (− 0.5 to 2.2) | 9/15b |
Magnesium, mg | 331 ± 139 | 342 ± 126 | − 11 (− 45 to 22) | 280c/350d |
Niacin, NE | 30.4 ± 12.1 | 30.3 ± 9.7 | 0.1 (− 2.7 to 3.0) | 14c,e/13c,f/18d,e/16d,f |
Phosphorus, mg | 1280 ± 562 | 1330 ± 523 | − 50 (− 185 to 85.8) | 600 |
Potassium, mg | 2850 ± 1120 | 2960 ± 910 | − 110 (− 360 to 160) | 3100c/3500d |
Riboflavin, mg | 1.59 ± 0.80 | 1.48 ± 0.75 | 0.11 (− 0.08 to 0.31) | 1.2c/1.5d,e/1.4d,f |
Selenium, µg | 35.1 ± 16.2 | 46.0 ± 25.6 | − 10.9 (− 15.4 to − 6.38) | 50c/60d |
Sodium, mg | 2500 ± 1070 | 2 390 ± 909 | 110 (− 145 to 361) | < 2400 mg |
Thiamin, mg | 1.30 ± 0.61 | 1.22 ± 0.54 | 0.08 (− 0.06 to 0.23) | 1.1c,e/1.0c,f/1.3d,e/1.2d,f |
Vitamin A, RE | 652 ± 297 | 725 ± 301 | − 73 (− 145 to 0.178) | 700c/900d |
Vitamin B12, µg | 4.17 ± 2.01 | 4.20 ± 2.11 | − 0.03 (− 0.53 to 0.46) | 2.0 |
Vitamin B6, mg | 1.77 ± 0.78 | 1.64 ± 0.63 | 0.13 (− 0.06 to 0.31) | 1.2c,e/1.3c,f/1.5d |
Vitamin C, mg | 72.1 ± 58.6 | 74.1 ± 43.8 | − 2.0 (− 15.6 to 11.7) | 75 |
Vitamin D, µg | 5.98 ± 3.01 | 6.46 ± 3.47 | − 0.48 (− 1.24 to 0.27) | 10 |
Vitamin E, µg α-TE | 8.26 ± 3.81 | 9.23 ± 3.77 | − 0.97 (− 1.9 to − 0.04) | 8c/10d |
Vitamin K, µg | 13.8 ± 8.06 | 27.6 ± 14.5 | − 13.8 (− 16.2 to − 11.4) | 1 µg/kg |
Zinc, mg | 9.72 ± 4.04 | 9.49 ± 3.58 | 0.23 (− 0.73 to 1.2) | 7c/9d |
β-Carotene, µg | 2520 ± 1740 | 3700 ± 2470 | − 1180 (− 1650 to − 714) | – |