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