Figure 3:
Determining the optimal annual case load for ATAAD surgery, with respect to long-term survival as the outcome of interest. (A) Unadjusted optimal case volume by use of the elbow method, (B) adjusted optimal case volume by use of the elbow method. ATAAD: acute type A aortic dissection; HR: hazard ratio.

Determining the optimal annual case load for ATAAD surgery, with respect to long-term survival as the outcome of interest. (A) Unadjusted optimal case volume by use of the elbow method, (B) adjusted optimal case volume by use of the elbow method. ATAAD: acute type A aortic dissection; HR: hazard ratio.

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