Table 1.

The items of a self-administered, self-reported history questionnaire (SSHQ) as a diagnostic support tool for LSS

	Item
Q1	Numbness and/or pain in the thighs down to the calves and shins
Q2	Numbness and/or pain increase in intensity after walking for a while, but are relieved by taking a rest
Q3	Standing for a while brings on numbness and/or pain in the thighs down to the calves and shins
Q4	Numbness and/or pain are reduced by bending forward
Q5	Numbness is present in both legs
Q6	Numbness is present in the soles of both feet
Q7	Numbness arises around the buttocks
Q8	Numbness is present, but pain is absent
Q9	A burning sensation arises around the buttocks
Q10	Walking nearly causes urination