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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 1.

Endotoxin Levels in Schools and Homes of Children with Asthma

Number of Samples Collected Samples with Detectable Endotoxin Median Endotoxin Level Endotoxin Range Endotoxin Interquartile Range
HOMES (All Bedrooms) 118 96.6% (114) 7.0 EU/mg <0.5 – 843.0 EU/mg 4.6 – 22.5 EU/mg
SCHOOLS (All Rooms) 229 100% (229) 13.4 EU/mg 0.7 – 360.7 EU/mg 7.0 – 23.0 EU/mg
Different Schoolroom Types:
 Classrooms 195 100% (195) 13.8 EU/mg 0.7 – 360.7 EU/mg 7.2 – 23.5 EU/mg
 Cafeterias 22 100% (22) 16.0 EU/mg 0.9 – 126.8 EU/mg 9.0 – 27.8 EU/mg
 Gymnasiums 12 100% (12) 5.6 EU/mg 2.3 – 21.3 EU/mg 3.2 – 8.3 EU/mg