Restless Legs Syndrome, pica, and iron status in blood donors

. Author manuscript; available in PMC: 2014 Nov 10.

Published in final edited form as: Transfusion. 2013 Jun 13;53(8):1645–1652. doi: 10.1111/trf.12260

Conditions required to be classified as probable or possible RLS

	Condition 1	Condition 2	Condition 3
Probable RLS	Q9=c, d, or e OR Q10=c, d, or e	Q11 = Yes and Q12=Yes	Q13 = c or d
Possible RLS	Q9=b, c, d, or e OR Q10=b, c, d, or e	Q11 = Yes and Q12=Yes, OR Q11 = Don’t Know and Q12 = Yes OR Q11 = Yes and Q12 = Don’t Know	Q13 = c or d

Note: Probable RLS was evaluated first; if those criteria were not met the donor was evaluated for Possible RLS. Probable/Possible RLS includes persons with either Probable or Possible RLS