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. Author manuscript; available in PMC: 2012 Jun 5.
Published in final edited form as: Ann Allergy Asthma Immunol. 2012 Apr 26;108(6):418–422. doi: 10.1016/j.anai.2012.04.003

TABLE 2.

School Dust Endotoxin Level by Tertile of Allergen Level

Number Median Endotoxin Level Mean Log Endotoxin Level (SD)
CAT ALLERGEN (Fel d 1)
Low ≤ 0.04 μg/g 76 9.6 EU/mg 0.98 (0.51) Reference
Middle > 0.04 – < 0.43 μg/g 76 10.7 EU/mg 1.12 (0.41) p = 0.019
High ≥ 0.43 μg/g 77 16.7 EU/mg 1.23 (0.32) p < 0.001
DOG ALLERGEN (Can f 1)
Low ≤ 0.012 μg/g 77 9.0 EU/mg 0.95 (0.51) Reference
Middle > 0.012 – < 0.15 μg/g 76 13.2 EU/mg 1.13 (0.42) p = 0.003
High ≥ 0.15 μg/g 76 17.0 EU/mg 1.24 (0.32) p < 0.001