Table 2 Analysis of accuracy of SPAT AI model using the measurement of the longest wheal diameter

From: Artificial Intelligence (AI)-assisted readout method for the evaluation of skin prick automated test results

AI vs physician

Control wheals (N = 434)

Allergen wheals (N = 2170)

All wheals (N = 2604)

Specificity

96.9%

98.6%

98.4%

Sensitivity

96.7%

77.4%

85.0%

PPV

96.7%

90.7%

93.3%

NPV

96.9%

96.1%

96.2%

  1. The longest wheal diameter was measured by the treating physician and by the AI model. A cutoff value of 4.5 mm was applied to determine test positivity.
Back to article page