Table II.
Mask-specific fit-test failure rates and mean proportion fail across hospitals
Mask | Total no. of tests | Pass | Fail | Proportion fail | Weight | Average proportion fail |
---|---|---|---|---|---|---|
RFP3FV | 396 | 58 | 60 | 0.51 | 0.30 | 0.36 |
107 | 15 | 0.12 | 0.31 | |||
0 | 6 | 1.00 | 0.02 | |||
14 | 16 | 0.53 | 0.08 | |||
60 | 35 | 0.37 | 0.24 | |||
16 | 9 | 0.36 | 0.06 | |||
3M1863 | 15,755 | 478 | 262 | 0.35 | 0.05 | 0.31 |
1114 | 831 | 0.43 | 0.12 | |||
1606 | 979 | 0.38 | 0.16 | |||
4212 | 1337 | 0.24 | 0.35 | |||
85 | 64 | 0.43 | 0.01 | |||
914 | 514 | 0.36 | 0.09 | |||
989 | 726 | 0.42 | 0.11 | |||
715 | 82 | 0.10 | 0.05 | |||
701 | 146 | 0.17 | 0.05 | |||
3M1863+ | 3193 | 527 | 192 | 0.27 | 0.23 | 0.28 |
1318 | 425 | 0.24 | 0.55 | |||
272 | 238 | 0.47 | 0.16 | |||
148 | 44 | 0.23 | 0.06 | |||
19 | 10 | 0.35 | 0.01 | |||
3M1873V | 2730 | 433 | 106 | 0.20 | 0.20 | 0.47 |
43 | 144 | 0.77 | 0.07 | |||
6 | 9 | 0.60 | 0.01 | |||
967 | 1022 | 0.51 | 0.73 | |||
3M8833 | 9885 | 715 | 128 | 0.15 | 0.09 | 0.24 |
331 | 165 | 0.33 | 0.05 | |||
1490 | 404 | 0.21 | 0.19 | |||
1386 | 447 | 0.24 | 0.19 | |||
48 | 8 | 0.14 | 0.01 | |||
745 | 414 | 0.36 | 0.12 | |||
1895 | 676 | 0.26 | 0.26 | |||
568 | 42 | 0.07 | 0.06 | |||
335 | 88 | 0.21 | 0.04 | |||
EasiMask FSM 16 | 448 | 36 | 3 | 0.08 | 0.09 | 0.32 |
252 | 130 | 0.34 | 0.85 | |||
18 | 9 | 0.34 | 0.06 | |||
EasiMask FSM 18 | 139 | 15 | 1 | 0.06 | 0.12 | 0.18 |
98 | 25 | 0.20 | 0.88 | |||
Alpha Solway 3030V | 4226 | 4142 | 80 | 0.02 | 1.00 | 0.02 |
4 | 0 | 0.00 | 0.00 | |||
Alpha Solway S–3V | 434 | 422 | 7 | 0.02 | 0.99 | 0.02 |
5 | 0 | 0.00 | 0.01 | |||
Honeywell Superone 3204 | 881 | 103 | 205 | 0.67 | 0.35 | 0.67 |
192 | 377 | 0.66 | 0.65 | |||
0 | 4 | 1.00 | 0.00 |