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Figure 4 Angina Score (CCS) Before and 3 and 6 Months After Implantation of the Reducer

(A) Individual patients’ angina scores are presented at baseline and at 3 and 6 months after implantation. The Canadian Cardiovascular Society (CCS) class improved in 12 of the 14 patients 6 months after implantation and remained constant for 2 patients (p < 0.0001, n = 14). (B) The average angina score for the group, before implantation of the Reducer and 3 and 6 months later (n = 14).