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Table 5 Validity of anti-ribosomal P antibody and MR spectroscopic measurements in posterior cingulate gyrus in differentiating between active and inactive SLE patients

From: Neuropsychiatric manifestations and magnetic resonance spectroscopy of the brain in systemic lupus erythematosus patients

 

AUC

(95% CI)

Cutoff point

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

Anti-ribosomal P antibody

0.687

(0.537–0.83)

≥ 9.30

76.7

55

74.2

63.2

70

MR spectroscopic measurements

 NAA/Cr

0.71

(0.57–0.85)

≤ 1.5750

66.7

75

80

60

70

 Cho/Cr

0.677

(0.53–0.83)

≥ 1.02

66.7

60

71.4

54.5

64

 mI/Cr

0.55

(0.38–0.71)

≤ 0.565

60

45

62.1

42.9

70

  1. AUC area under the curve, Cho choline compound, Cr creatine and phosphocreatine, mI myo-inositol, NAA N-acetylaspartate