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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.