Table 2.
Remote auscultation | Face-to-face auscultation |
||
---|---|---|---|
Abnormal heart sound | Normal heart sound | Total | |
Abnormal heart sound | 1171 | 15 | 1186 |
Normal heart sound | 23 | 153 | 176 |
Total | 1194 | 168 | 1362 |
Sensitivity, specificity, accuracy, and k coefficient are calculated. Sensitivity of 98% (1171 of 1194; 95% CI: 97–99%), specificity of 91% (153 of 168; 95% CI: 87–95%), accuracy of 97% (1324 of 1362; 95% CI: 96–98%), and k coefficient of 0.87 (95% CI: 0.83–0.91).