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Table 4 Dietary intake of minerals in AS and healthy groups

From: Effect of food intake and ambient air pollution exposure on ankylosing spondylitis disease activity

Minerals

AS patients

N = 30 mean (SD)

Controls

N = 30 mean (SD)

P-value

t Test

Sodium (g/d)

2.497 (1.6)

2.00 (1.4)

0.25

Potassium (g/d)

2.80 (1.2)

1.86 (0.7)

0.002**

Calcium (mg/d)

962.34 (529.1)

608.12 (286.6)

0.003**

Iron (mg/d)

22.72 (18.1)

11.76 (6.0)

0.004**

Phosphorus (mg/d)

1237.63 (547.3)

937.08 (421.5)

0.029*

Magnesium (mg/d)

329.3 (186.6)

223.80 (114.7)

0.017*

Zinc (ÎĽg/d)

10.0 (4.1)

7.97 (3.2)

0.041*

Copper (mg)

1.42 (0.5)

1.10 (0.5)

0.029*

Selenium (ug)

135.87 (62.2)

103.26 (40.7)

0.029*

  1. *: P-value 0.01 to 0.05, **: P-value 0.001 to 0.01