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Table 2 Comparison of net reclassification index values for PTX3 levels in bronchoalveolar lavage fluid a

From: Alveolar pentraxin 3 as an early marker of microbiologically confirmed pneumonia: a threshold-finding prospective observational study

Comparisons with BAL fluid PTX3 ≥1 ng/ml ΔSe Δ(1-SP) NRI
Plasma PTX3 ≥130 ng/ml 0.58 −0.21 0.38
Plasma PCT ≥0.5 ng/ml 0.25 0.19 0.44
Plasma CRP ≥0.5 mg/dl −0.09 0.61 0.52
BAL fluid sTREM-1 ≥5 pg/ml 0.38 0.07 0.44
Plasma sTREM-1 ≥5 pg/ml −0.04 0.60 0.56
CPIS ≥7 0.88 −0.34 0.53
  1. aBAL, Bronchoalveolar lavage fluid; CPIS, Clinical Pulmonary Infection Score; CRP, C-reactive protein; NRI, Net reclassification index; PCT, Procalcitonin; PTX3, Pentraxin 3; ΔSe, Change in sensitivity; Δ(1-SP), Change in 1-specificity; sTREM-1, Soluble triggering receptor expressed on myeloid cells 1.