Table 3 Diagnostic performances of the BIOSYNEX test in hemodialysis patients.

From: Presence of specific SARS-COV2 antibodies in hemodialysis patients and their caregivers after the first wave of COVID-19

BIOSYNEX compared to

Sensitivity

Specificity

Positive predictive value

Negative predictive value

Anti-S ELISA+ 

69.1 (60.6–96.8)

97.9 (96.8–98.7)

80.3 (72.0–87.1)

96.2 (94.9–97.2)

Anti-SARS-COV2 neutralizing antibodies

82.9(74.6–89.4)

97.7 (96.7–98.5)

78.6 (70.1–85.7)

98.3 (97.3–99.0)

  1. All samples (M0 + M3 + M6) with both BIOSYNEX results and laboratory results were considered. Results are expressed as % (95% confidence interval).
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