Feasibility of using CTCA in patients with acute low-to-intermediate likelihood chest pain in a DGH
Dear Sirs,
I would like to make three points about this paper:1
1. The summary states “results suggest that it is feasible to use computed tomography coronary angiography (CTCA)…in place of exercise tolerance testing (ETT) at no extra cost”. The body of the article shows “CTCA had a higher cost compared with ETT. The overall cost per patient was £375 with CTCA vs. £309 with ETT, but this was not statistically significant (p=0.28)”. The lack of significance is attributable to the small size of the data-set, and it does not allow a co