Test: tuberculin skin test greater than 1 cm
Disease: tuberculosis (active)

+LR (95% CI): 8.1 (3.5-18.4)
-LR (95% CI): 0.07 (0.03-0.15)

Source Type: single study

Gold Standard: depended on type of active TB (see article)

Population: young (20-29) males from military hospital in South Korea

Reference: [PubMed] [Read by QxMD]

Negative or Positive Test?


Pre-test probability: 0%


Post-test probability (95% CI): 0% (0% - 0%)




Suggested Pre-test Probabilities


Presenting Complaint: chronic diarrhea
Population Pre-test Probability
referred US patients without HIV0.1%
Reference: [PubMed] [Read by QxMD]

Presenting Complaint: hemoptysis
Population Pre-test Probability
Israeli inpatients and outpatients1.4%
Reference: [PubMed] [Read by QxMD]