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. Author manuscript; available in PMC: 2015 Nov 30.
Published in final edited form as: J Occup Environ Hyg. 2015 Nov;12(11):753–760. doi: 10.1080/15459624.2015.1047025

TABLE VII.

Passing Rates for the 144 Study Subjects by Passing Level and Respirator

Relative Frequency of Passing (N = 144)
Respirator ≤1% (%) ≤2% (%) ≤5% (%)
FFR-A 45.8 75.7 90.3
FFR-B 5.6 27.1 54.9
FFR-C 13.2 34.0 69.4
FFR-D 31.3 67.4 88.2
FFR-E 11.8 29.9 59.7
EHR-F 86.8 97.2 98.6
EHR-G 34.7 73.6 95.1
EHR-H 42.4 66.7 94.4
EHR-I 36.8 77.8 97.2
EHR-J 61.1 84.0 94.4
Total 36.9 63.3 84.2

Note: Data are expressed as relative frequency (i.e., percent of subjects passing).