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Table 3 Diagnostic performances of 68Ga-citrate PET/CT and 18F-FDG PET/CT imaging in detecting infected prostheses according to the anatomical site

From: Potential usefulness of 68Ga-citrate PET/CT in detecting infected lower limb prostheses

 

Sensitivity (%)

Specificity (%)

Accuracy (%)

Entire cohort (n = 34)

 18F-FDG PET/CT

100 (26/26)a

38 (3/8)a

85

 68Ga-citrate PET/CT

92 (24/26)a

88 (7/8)a

91

Hip prosthesis (n = 19)

 18F-FDG PET/CT

100 (12/12)a

43 (3/7)a

79

 68Ga-citrate PET/CT

92 (11/12)a

86 (6/7)a

89

Knee prosthesis (n = 15)

 18F-FDG PET/CT

100 (14/14)a

0 (0/1)a

93

 68Ga-citrate PET/CT

93 (13/14)a

100 (1/1)a

93

  1. aData in parentheses represent the actual number of cases on which the calculation of sensitivity and specificity was based