Table 1.
Aetiology of the pleural effusion.
Table 2.
Results of the clinical and analytical variables.
Table 3.
Calprotectin concentration in pleural fluid according to the type of pleural effusion.
Table 4.
Diagnostic accuracy of pleural fluid calprotectin levels according to several cut-off values.
Table 5.
Frequency variables and results from the univariate and multivariate logistic regression analyses.
Fig 1.
New clinical decision algorithm proposed for the urgent diagnosis of MPE using the QB®sCAL immunochromatographic method for determining calprotectin.
ADA = adenosine deaminase; LDH = lactate dehydrogenase; PF = pleural fluid; N = frequency; MPE = malignant pleural effusion.
Fig 2.
Analytical comparison of QB®sCAL and ELISA fCAL®.
(a) Passing-Bablok linear regression of the results of calprotectin pleural fluid measurements for QB®SCAL and corresponding results for ELISA fCAL® performed in 48 patients (analytical correlation). (b) Bland-Altman difference plot for analysis of the differences between the two methods (analytical agreement).
Table 6.
Results for calprotectin level measurements using the ELISA fCAL® method versus the QB®sCAL method.
Table 7.
Clinical agreement between the results from the ELISA fCAL® and QB® sCAL methodsa.