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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Ann Hematol. 2017 Nov 16;97(2):239–246. doi: 10.1007/s00277-017-3182-8

Table 1.

Diagnostic test accuracy for the point-of-care sickle cell disease assay

Observer 1 Observer 2 Aggregate
Sensitivity (95% CI) 99.4% (97.7–99.9%) 98.1% (95.9–99.3%) 98.7% (97.5–99.5%)
Specificity (95% CI) 94% (90.9–96.3%) 91.1% (87.5–94%) 92.6% (90.3–94.5%)
Positive Predictive Value (95% CI) 94% (91–96.3%) 91.5% (88–94.2%) 92.8% (90.5–94.6%)
Negative Predictive Value (95% CI) 99.4% (97.7–99.9%) 98% (95.8–99.3%) 98.7% (97.5–99.4%)