Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | |
---|---|---|---|---|
Cardiology consultation* (n=30) | 40 (7 to 83) | 94 (91 to 96) | 6 (1 to 23) | 99 (98 to 100) |
Echocardiogram obtained* (n=40) | 40 (7 to 83) | 92 (89 to 94) | 5 (1 to 18) | 99 (98 to 100) |
ECG obtained* (n=207) | 60 (17 to 93) | 57 (53 to 62) | 1 (0 to 4) | 99 (97 to 100) |
Any testing obtained*‡ (n=214) | 60 (20 to 92) | 55 (50 to 59) | 1 (0 to 4) | 99 (97 to 100) |
Abnormal echocardiogram† (n=11) | 50 (3 to 97) | 74 (57 to 86) | 9 (0 to 43) | 97 (80 to 100) |
Abnormal ECG† (n=94) | 100 (31 to 100) | 55 (48 to 62) | 3 (1 to 10) | 100 (96 to 100) |
Abnormal Holter† (n=1) | 100 (5 to 100) | 100 (46 to 100) | 100 (5 to 100) | 100 (46 to 100) |
*Physician decision to obtain test.
†Test result.
‡Any screening measure indicates patients who received at least one form of cardiac testing. Some patients received more than one test.
NPV, negative predictive value; PPV, positive predictive value.