ASP
Ankle systolic pressure (ASP) measured by Doppler is the higher of systolic pressure at posterior tibial or anterior tibial artery of the affected limb. The mean (SD) ASP increased from 61 (22.1) mmHg at baseline to 81 (22.4) mmHg at 1 month, 89 (22.1) mmHg at 3 months, 94 (25.3) mmHg at 6 months and 95 (27.6) mmHg at 12 months which were statistically significant (