Table 4.
Diagnostic accuracy of the working diagnoses - sensitivity, specificity and NPV.
| Sensitivity | Specificity | NPV | |||||
|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||
| ACS | POCT | 17/19 | 90 | 183/199 | 92 | 183/185 | 99 |
| Controls | 14/14 | 100 | 107/137 | 78 | 107/107 | 100 | |
| HF | POCT | 39/39 | 100 | 173/179 | 97 | 173/173 | 100 |
| Controls | 10/12 | 83 | 134/139 | 96 | 134/136 | 99 | |
| TE | POCT | 14/14 | 100 | 198/204 | 97 | 198/198 | 100 |
| Controls | 9/10 | 90 | 135/141 | 96 | 135/136 | 99 | |
| MS | POCT | 54/66 | 82 | 144/152 | 95 | 144/156 | 92 |
| Controls | 34/53 | 64 | 96/98 | 98 | 96/115 | 84 | |
| Other | POCT | 55/81 | 68 | 132/137 | 96 | 132/158 | 84 |
| Controls | 37/62 | 60 | 84/89 | 94 | 84/109 | 77 | |
(i) ACS, acute coronary syndromes; HF, heart failure; MS, musculoskeletal problems; NPV, negative predictive value; TE, thromboembolic events.