CSF WBC Correction for RBCs

Estimates how to correct lumbar puncture WBC count for traumatic tap (many other formulas exist).

CSF WBCs Detected cells/µL CSF RBCs cells/µL Blood WBCs cells/µL Blood RBCs cells/µL Corrected CSF WBCs cells/µL
CSF WBC (predicted) = CSF WBCs Detected - (WBC in Blood * RBC in CSF / RBC in Blood)
Mandell, Bennett, & Dolin: Principles and Practice of Infectious Diseases, 6th ed.,








The NNT : Quick Summaries of Evidence-Based Medicine