Variation and changes in state-specific carotid endarterectomy and 30-day mortality rates, United States, 1991-2000 Kazim Sheikh, MD, Claudia Bullock, BA Journal of Vascular Surgery Volume 38, Issue 4, Pages 779-784 (October 2003) DOI: 10.1016/S0741-5214(03)00616-5
Fig 1 State-specific carotid endarterectomy rate for Medicare beneficiaries, 1991. Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 5 Correlation between state-specific change in carotid-endarterectomy (CEA) procedures per 1000 Medicare beneficiaries, 1991 to 1995 and 1995 to 2000 (r = 0.41; P = .0038). Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 6 State-specific 30-day postprocedure mortality for Medicare beneficiaries, 1991. Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 7 Correlation between state-specific change in 30-day postoperative deaths per 100 procedures in Medicare beneficiaries, 1991 to 1995 and 1995 to 2000 (r = –0.35; P = .0133). Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 2, online only Correlation* between state-specific carotid endarterectomy (CEA) procedures per 1000 Medicare beneficiaries in 1991 and in 1995 (r = 0.79, P = .000). *Not adjusted for regression to the mean. Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 3, online only Correlation between state-specific carotid endarterectomy (CEA) procedures per 1000 Medicare beneficiaries in 1991 and change in these rates from 1991 to 1995 (r = 0.54, P = .000). Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 4, online only Correlation* between state-specific carotid endarterectomy (CEA) procedures per 1000 Medicare beneficiaries in 1995 and in 2000 (r = 0.87, P = .000). *Not adjusted for regression to the mean. Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 8, online only Correlation between state-specific 30-day mortality per 100 carotid endarterectomy procedures in 1991 and change in these rates from 1991 to 1995 (r = 0.72, P = .000). Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)
Fig 9, online only Correlation between state-specific 30-day mortality per 100 carotid endarterectomy procedures in 1995 and change in these rates from 1995 to 2000 (r = 0.63, P = .000). Journal of Vascular Surgery 2003 38, 779-784DOI: (10.1016/S0741-5214(03)00616-5)