Reply to Letter to the Editor: “Importance of Pretest Probability for Calculating Positive Predictive Value”

To the Editors,

We thank the authors for their comments¹ and contributions. We also recognized the unexpectedly high positive predictive values for echocardiography and computed tomography pulmonary angiography (CTPA). As we checked the SPSS dataset and output, we recognized typos.² While preparing the manuscript, the numbers were written incorrectly in Table 5. The corrected PPVs would be 41% for CTPA and 55% for transthoracic echocardiography (TTE). We have added the correct version of Table 5. We thank the authors for reminding us.

Table 5.

Performance of CTPA and TTE on the Prediction of Adverse Outcomes³

	Sensitivity (%)	Specificity (%)	Positive Predictive Value (%)	Negative Predictive Value (%)
RV Dysfunction on TTE	100	43	55	100
RV Dysfunction on CTPA	100	28	41	100

CTPA, computed tomography pulmonary angiography; TTE, transthoracic echocardiography.

Echocardiography was not performed to detect PFO. Operators reported it if they noticed it during the procedure. So, we didn’t use contrast echocardiography.