Tibial ArteriesAnkle Brachial IndexAnklePeripheral Vascular DiseasesLegPopliteal ArteryArterial Occlusive DiseasesIschemiaPeripheral Arterial DiseaseAnkle JointAnkle InjuriesBrachial ArteryIntermittent ClaudicationLower ExtremityFemoral ArteryArteriesVascular PatencyAngioplasty, BalloonUltrasonography, Doppler, DuplexWalkingFollow-Up StudiesBlood Pressure DeterminationTreatment OutcomeLimb SalvageAmputationAngiographyProspective StudiesRisk FactorsPredictive Value of TestsBlood PressureLateral Ligament, AnkleTime FactorsUltrasonography, DopplerFootDiabetic AngiopathiesAneurysmCross-Sectional StudiesSprains and StrainsPulmonary ArteryExercise TestAtherosclerosisRegional Blood FlowVeinsCarotid ArteriesSaphenous VeinCerebral ArteriesCardiovascular DiseasesRenal ArteryVascular Surgical ProceduresC-Reactive ProteinMesenteric ArteriesChi-Square DistributionPrevalenceBasilar ArteryPhotoplethysmographyConstriction, PathologicCohort StudiesRetrospective StudiesLife TablesRisk AssessmentVertebral ArteryBlood Vessel Prosthesis ImplantationSeverity of Illness IndexIliac Artery