. 2014 Oct 22;19(6):893–899. doi: 10.1007/s00776-014-0642-z

Table 4.

Distances causing NIC before and after 3 months of treatment in the two groups

	Pregabalin group (n = 49)	Control group (n = 47)	P value
Distance causing NIC before treatment (<100 m/100–500 m/>500 m)	11/32/6	10/27/10	0.50^a
Distance causing NIC after 3 months of treatment (<100 m/100–500 m/>500 m)	7/26/16	9/23/15	0.98^a

Data are shown as mean ± standard error or n

NRS Numerical rating scale, RDQ Roland-Morris disability questionnaire, NIC neurogenic intermittent claudication

^aMann-Whitney U test