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. 2012 Jan 11;2011:426941. doi: 10.5402/2011/426941

Table 2.

Atopy patch test results.

Diluted SPT HDM Dust extract
No of positive reactions 6/29 (20.7%) 4/29 (13.8%)

Grade of reactions Grade 1: 4/6 Grade 1: 3/4
Grade 2: 1/6 Grade 2: 3/4
Grade 4: 1/6

Average grade 1.7 1.25