Comparisons between patients and controls

VariableCases (%)Controls (%)P
C-reactive protein (mg/L)16 ± 84 ± 4< 0.001
sMg (mg/dL)1.99 ± 0.282.07 ± 0.23< 0.001
HypoMg (< 1.70 mg/dL)36/294 (12.2)19/294 (6.5)0.016
Ferritin (mg/dL)257 ± 241206 ± 1730.004
Any HFE mutation156/281 (55.5)103/281 (35.6)< 0.001
Any C282Y mutation35/281 (12.5)12/281(4.3)0.001
Any H63D mutation122/284 (42.9)87/281 (30.9)0.007
Any S65C mutation6/284 (2.1)9/281 (3.2)0.658

The data is represented as means ± standard deviation for continuous variables, and number/total (percentage for discrete variables)