Table 2

The preoperative NCOS by claudication distance among the study sample (known groups comparison)
Claudication distance as measured by the SPWT Mean NCOS score* SD
Poor (less than 100 meter) 19.9 9.9
Fair (between 100 and 800 meter) 24.8 12.4
Good (between 800 and 1600 meter) 28.9 13.7
Very Good (more than 1600 meter) 33.9 14.8
P** < 0.0001

* Higher scores indicate better conditions.

** Derived from one-way analysis of variance (the Bonferroni correction was used as post-hoc analysis).

Azimi et al.

Azimi et al. BMC Neurology 2012 12:101   doi:10.1186/1471-2377-12-101

Open Data