Table 2.
Fit-Test Results Using Modified Fast and Standard Quantitative Fit-Testing Protocols
| Mask | Modified Fast Protocol |
Standard Protocol |
TP | FP | FN | TN | Sensitivity | Specificity | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Passed | Failed | Passed | Failed | |||||||
| All, N = 19 | 14 (74%) | 5 (26%) | 9 (47%) | 10 (53%) | 5 (26%) | 0 (0%) | 5 (26%) | 9 (47%) | 0.50 | 1.00 |
| Small, n = 7 | 6 (86%) | 1 (14%) | 3 (43%) | 4 (57%) | 1 (14%) | 0 (0%) | 3 (43%) | 3 (43%) | 0.25 | 1.00 |
| Medium, n = 12 | 8 (67%) | 4 (33%) | 6 (50%) | 6 (50%) | 4 (33%) | 0 (0%) | 2 (17%) | 6 (50%) | 0.67 | 1.00 |
Proshield masks medium TN01-11 or small TN01-12 were used. FN = false negative as no leak detected with modified fast but detected with standard protocol; FP = false positive as leak detected with modified fast but not with standard protocol; TN = true negative, as in no leak detected on either protocol; TP = true positive as leak detected on both protocols.