From: 3D Printed frames to enable reuse and improve the fit of N95 and KN95 respirators
No. (%) or Mean +/- SD (range) | ||||
---|---|---|---|---|
Characteristic | 1860 N95 respirators (n=34) | 8210 N95 respirators (n=10) | KC duckbill respirators (n=16) | KN95 respirators (n=25) |
Sex | ||||
Female | 28 (82.4%) | 6 (60.0%) | 14 (87.5%) | 22 (88.0%) |
Male | 6 (17.6%) | 4 (40.0%) | 2 (12.5%) | 3 (12.0%) |
Age | 36.4 +/- 10.3 | 32.9 +/- 9.1 | 33.1 +/- 9.3 | 36.5 +/- 12.5 |
Ethnicity | ||||
Asian/Pacific Islander | 11 (32.4%) | 3 (30.0%) | 2 (12.5%) | 5 (20.0%) |
White/Caucasian | 11 (32.4%) | 7 (70.0%) | 3 (18.8%) | 8 (32.0%) |
Black/African American | 8 (23.5%) | 0 (0.0%) | 8 (50.0 %) | 9 (36.0%) |
Hispanic/Latino | 3 (8.8%) | 0 (0.0%) | 2 (12.5%) | 3 (12.0%) |
Native American | 1 (2.9%) | 0 (0.0%) | 1 (6.3%) | 0 (0.0%) |
Body mass index (BMI) | 25.7 +/- 8.0 | 23.3 +/-2.7 | 30.1 +/- 10.0 | 26.7 +/- 8.5 |
Healthcare role | ||||
Attending physician | 15 (44.1%) | 2 (20.0%) | 1 (6.3%) | 6 (24.0%) |
Resident physician or fellow | 1 (2.9%) | 0 (0.0%) | 0 (0.0%) | 2 (8.0%) |
Medical student | 3 (8.8%) | 3 (30.0%) | 0 (0.0%) | 2 (8.0%) |
Researcher | 5 (14.7%) | 5 (50.0%) | 3 (18.8%) | 1 (4.0%) |
Nurse | 3 (8.8%) | 0 (0.0%) | 3 (18.8%) | 5 (20.0%) |
Medical Assistant | 5 (14.7%) | 0 (0.0%) | 5 (31.3%) | 5 (20.0%) |
Clinic Staff | 2 (5.9%) | 0 (0.0%) | 4 (25.0%) | 4 (16.0%) |
Mask size (previously fitted) | ||||
Small | 11 (32.4%) | 6 (60.0%) | 3 (18.8%) | 6 (24.0%) |
Regular | 23 (67.6%) | 4 (40.0%) | 13 (81.3%) | 19 (76.0%) |
Baseline Testing Pass Rate | 30/34 (88.2%) | 9/10 (90.0%) | 15/16 (93.8%) | 12/25 (48.0%) |