Table 5 Performance of Simprova-RV compared with the reference rPCR and RADT in a prospective clinical study.

From: Clinical evaluation of fully automated molecular diagnostic system “Simprova” for influenza virus, respiratory syncytial virus, and human metapneumovirus

Target

No. of positive specimens tested by rPCR

 

Simprova-RVa

RADTa

IAV

50

Sensitivity %

90.0% (78.2–96.7%)

58.0% (43.2–71.8%)

Specificity %

100% (98.9–100%)

100% (98.9–100%)

PPV %

100%

100%

NPV %

98.5% (96.6–99.3%)

94.0% (91.9–95.6%)

IBV

11

Sensitivity %

90.9% (58.7–99.8%)

36.4% (10.9–69.2%)

Specificity %

100% (99.0–100%)

100% (99.0–100%)

PPV %

100%

100%

NPV %

99.7% (98.3–100%)

98.1% (97.1–98.8%)

RSV

108

Sensitivity %

84.3% (76.0–90.6%)

56.5% (46.6–66.0%)

Specificity %

100% (98.7–100%)

100% (98.7–100%)

PPV %

100%

100%

NPV %

94.1 (91.2–96.1%)

85.3% (82.4–87.8%)

hMPV

61

Sensitivity %

73.8% (60.9–84.2%)

65.6% (52.3–77.3%)

Specificity %

100% (98.9–100%)

100% (98.9–100%)

PPV %

100%

100%

NPV %

95.2% (92.9–96.8%)

93.8% (91.5–95.6%)

  1. PPV positive predictive value, NPV negative predictive value, CI confidence interval.
  2. a95% CI.