Table 2 Studies and suggested cut-offs for fresh cow’s milk allergy diagnosis using alpha-lactoalbumin, beta-lactoglobulin, casein, cow’s milk SPTs stratified by the type of allergen used to perform SPTs, design, and age (<2 years and ≥2 years) [14, 17, 22, 23, 27, 28, 37,38,39]
