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Table 3 Net reclassification improvement (NRI) and integrated discrimination improvement (IDI) analysis

From: Diagnostic accuracy of pleural fluid lactate dehydrogenase to adenosine deaminase ratio for tuberculous pleural effusion: an analysis of two cohorts

Cohort

Continuous NRI

IDI

Estimates (95% CI)

p

Estimates (95% CI)

p

The BUFF study

− 0.23 (− 0.51–0.05)

0.104

− 0.016 (− 0.040–0.008)

0.185

The SIMPLE study

0.06 (− 0.30–0.43)

0.726

0.013 (− 0.036–0.062)

0.606

All

− 0.09 (− 0.32–0.13)

0.413

− 0.012 (− 0.035–0.011)

0.294

  1. ADA was set as a reference, and the added diagnostic value of LDH/ADA was analyzed with IDI and continuous NRI