|
Multilevel likelihood ratios for hsCRP and PCT to diagnose CAP in patients with an infiltrate on chest radiography |
|||||
| N (%) |
Sensitivity |
Specificity |
LR + |
LR - |
|
|
|
|||||
| PCT (μg/L) |
|||||
| > 0.1 |
349 (89) |
0.90 |
0.39 |
1.48 |
0.25 |
| > 0.25 |
280 (71) |
0.74 |
0.74 |
2.83 |
0.35 |
| > 0.5 |
217 (55) |
0.57 |
0.83 |
3.30 |
0.52 |
| > 1.0 |
163 (41) |
0.43 |
0.87 |
3.31 |
0.65 |
| hsCRP (mg/L) |
N (%) |
Sensitivity |
Specificity |
LR + |
LR - |
| > 40 |
349 (89) |
0.89 |
0.17 |
1.07 |
0.65 |
| > 50 |
339 (86) |
0.87 |
0.26 |
1.17 |
0.52 |
| > 100 |
265 (67) |
0.69 |
0.61 |
1.76 |
0.51 |
| > 200 |
136 (34) |
0.36 |
0.91 |
4.14 |
0.70 |
Müller et al. BMC Infectious Diseases 2007 7:10 doi:10.1186/1471-2334-7-10 |
|||||