Skip to main content

Table 4 The evaluation of diagnostic tests of syphilitic indicators for neurosyphilis

From: Clinical prediction and diagnosis of neurosyphilis in HIV-negative patients: a case-control study

Variable

Sensitivity (%)

Specificity (%)

AUC & 95% CI

p value

Neurological symptoms

46.00

89.80

0.679 (0.578–0.769)

< 0.001

CSF TPPA titer (cutoff > 1:160)

90.00

84.00

0.941 (0.876–0.978)

< 0.001

CSF protein (cutoff > 497 mg/L)

54.00

85.71

0.710 (0.610–0.797)

< 0.001

CSF WBC (cutoff > 3 cells/μL)

48.00

82.00

0.655 (0.553–0.747)

0.003

A combination of the above tests except CSF TPPA

92.00

33.30

0.793(0.700–0.887)

< 0.001

A combination of the above tests

98.00

40.80

0.786 (0.692–0.880)

< 0.001

  1. AUC Area under curve, CSF Cerebrospinal fluid, TPPA Treponema pallidum particle agglutination, WBC White blood cell