Download Table 2: Categorization of tuberculosis cases

SDC 2 – Table: Categorization of tuberculosis cases.
Culture-confirmed
Probable
Possible
tuberculosis
tuberculosis
tuberculosis25
Mycobacterium
Criteria for the diagnosis of possible
Any ill child with:
tuberculosis (MTB)
tuberculosis, with additional
cultured from clinical
evidence as listed below:
Family history of
specimens in a patient
smear-confirmed PTB
with compatible
Acid alcohol fast bacilli visualized
and/or
clinical features of
in clinical specimens, without
Not regaining health after
active tuberculosis
culture confirmation of disease
measles of pertussis
caused by MTB
and/or
and/or
Positive tuberculin skin test
Weight loss, cough or wheeze not
a
responding to antibiotic therapy for
and/or
Suggestive chest radiograph
bacterial lower respiratory tract
b
infection
and/or
and/or
Suggestive histology
Painless swelling in a group of
and/or
superficial lymph nodes
Favourable response to antituberculosis therapyc
Legend:
a
MTB = Mycobacterium tuberculosis; PTB = pulmonary tuberculosis.
Tuberculin skin test positivity cut-offs varied by HIV and nutritional status, and were
defined as being ≥ 5mm in HIV-infected or severely malnourished children, and ≥ 10mm in
HIV-uninfected children.
b
Chest radiographic changes suggestive of tuberculosis were limited to the presence of hilar
adenopathy.
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c
A favourable response to anti-tuberculosis therapy was defined as being any improvement in
weight gain between the hospitalization episode in which tuberculosis was investigated for
and/or diagnosed, and a subsequent hospitalization where weight had been recorded.
Superscript number indicates reference from which information in this Table has been
derived (see References).
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