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Figure 1: CAT (CEA, Area, and Telangiectasia) scale components. (a) Clinical erythema assessment (CEA) severity score is a 5-point scale for measuring erythema severity. (b) Area score consists of 3-point values using the palm method that measure the range of erythema on the face. (c) Telangiectasia severity score measures severity on a 3 point scale

Figure 1: CAT (CEA, Area, and Telangiectasia) scale components. (a) Clinical erythema assessment (CEA) severity score is a 5-point scale for measuring erythema severity. (b) Area score consists of 3-point values using the palm method that measure the range of erythema on the face. (c) Telangiectasia severity score measures severity on a 3 point scale