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Table 5 Use of diagnostic procedures among 100 patients admitted with fever to a tertiary care hospital in South India

From: Fever in the tropics: aetiology and case-fatality - a prospective observational study in a tertiary care hospital in South India

Diagnostic procedure Patients tested Diagnostic yield1
  n n (%)
Chest X ray 92 13 /166 (7.8)2
CT 31 16 /31 (51.6)
MRI 5 0 /5 (0.0)
Abdominal US 60 13 /60 (21.6)
HBsAg detection 69 2 /69 (2.9)
Anti-HCV detection 64 1 /64 (1.6)
Anti-HIV detection 72 4 /72 (5.6)
Scrub typhus IgM ELISA 20 1 /20 (5.0)3
Weil felix 7 1 /7 (14.3)
Typhi dot 36 3 /36 (8.3)
Widal 14 3 /14 (21.4)
Leptospira IgM ELISA 15 0 /15 (0.0)4
Dengue IgM ELISA 4 1 /4 (25.0)
QBC 77 5 /134 (3.7)
Malaria microscopy 5 5 /5 (100)
Stool microscopy 17 1 /17 (5.9)
Blood culture, automated 83 11 /157 (7.0)5
Urine culture 42 21 /42 (50.0)
CSF culture 16 1 /16 (6.3)
Sputum culture 53 10 /53 (1.9)
  1. Abbreviations: CT computer tomography, MRI magnetic resonance imaging, US ultrasound, HCV hepatitis C virus, HIV human immunodeficiency virus, CSF cerebrospinal fluid, HBsAg Hepatitis B surface antigen, QBC quantitative buffy coat.
  2. 1Positive tests among total number of tests performed.
  3. 274 chest X-rays were not described at discharge.
  4. 3Results were not available for nine patients at discharge.
  5. 4Results were not available for six patients at discharge.
  6. 5Results from 46 blood cultures were not available at discharge.