Table. 2—

Sensitivity and specificity of chest radiography for the diagnosis of active pulmonary tuberculosis (TB)

Barnes et al. 42Tattevin et al. 43Cohen et al. 44Markey et al. 35Grzybowski et al. 40
PopulationPatients hospitalised with suspicion of active TBPatients hospitalised with suspicion of active TBPatients hospitalised with suspicion of active TBIndividuals suspected to have active TB on entry to England (UK)Voluntary participants, inner-city TB screening initiative
Gold standardSputum cultures (number unspecified)Three spontaneous sputum culturesUp to six sputum cultures, some inducedThree sputum cultures and gastric aspirate culturesOne or two spontaneous sputum cultures
Patients n3922141001961333
Active TB cases n1884744478
Smear positive %8266755960
HIV positive %No data1129No dataNo data
Sensitivity of radiography %8071736475
Specificity of radiography %Insufficient data52636399