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Table 2 External and Internal validity of drug susceptibility testing for individual first line drugs

From: High levels of multidrug resistant tuberculosis in new and treatment-failure patients from the Revised National Tuberculosis Control Programme in an urban metropolis (Mumbai) in Western India

 

EXTERNALa (n = 45)

INTERNALb (n = 70)

Drugs

Concordance

(%)

Kappa Values

Sensitivity

(%)

Specificity

(%)

Concordance

(%)

Kappa Values

H

91

0.773

86

94

95

0.893

R

93

0.762

100

93

97

0.919

Z

87

0.557

100

87

91

0.819

E

89

0.487

80

91

90

0.759

  1. (Key – a: Performed at Swedish Institute for Infectious Disease Control, Stockholm,
  2. b: Repeated at FMR,
  3. H: Isoniazid, R: Rifampicin, Z: Pyrazinamide, E: Ethambutol)
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BMC Public Health

ISSN: 1471-2458

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