Regional overview showing variances in percentages of endovascular treatments among the conducted aortoiliacal revascularisations from 2001 to 2014+
| Region | Percentage aortoiliac endovascular revascularisations with 95% CI | p value |
| Average annual national increase endovascular revascularisations | 1.4 (1.2 to 1.6) | <0.01 |
| Northern NRHA | Reference group | |
| Western NRHA | 6.9 (3.6 to 10.2) | <0.01 |
| Central NRHA | 5.8 (2.1 to 9.6) | <0.01 |
| South-Eastern NRHA | 3.0 (0.1 to 5.8) | 0.04 |
Revascularisations=treatment sessions.
Reference group=lowest share.
+ Weighted linear regression (analytical weights) with percentage endovascularrevascularisations as dependent variable and average annual increases as explanatory variable.
NRHA, Norwegian Regional Health Authority.