Wheal Flare Group ICC* ICC* Overall   0.464 0.834 Photo A (Lightest tone) 0.579 0.902 Photo B (Medium tone) 0.657 0.792 Photo C (Dark tone) 0.067 0.060 *ICC: Intraclass correlation. Correlation of observed wheal and flare measurements across raters (specialists) within the same patients

Table 1: Reliability (Shrout-Fleiss) of allergy specialists’ assessment of wheal and flare size in patients with differing skin tones.

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