Appendix Table 4.

Contigency Table for PCR versus Unblinded Clinician Diagnoses for the Same Patients

PCR
PositiveNegativeTotal
Clinician
 positive11624140
 negative1199110
Total127123250
  • Abbreviation: PCR, Polymerase chain reaction.

  • Notes: Most of the time, clinicians agreed with the PCR results, but rarely the diagnoses differed. Justifications for clinician diagnoses were not collected as part of the study.