Table 1 Selected feasibility aspects of nasal and oropharyngeal swabbing.
Column 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nasal swabs collected by study personnel at the study center | Oropharyngeal swabs collected by study personnel at the study center | Nasal swabs collected by study participants at home | |||||||||||||
Study centers | Sample size n | No. of partici-pants from whom swabs were collected n | Time needed for swabbing in minutes median (range) | Difficul-ties when collecting the swab % of “No” responses | Swabs from both nares were taken % of “Yes” responses | Swabs that had to be discarded % of „None“ responses | Sample size n | No. of partici-pants from whom swabs were collected n (%) | No. of partici-pants who refused oropha-ryngeal swabbing n (%) | Time needed for swabbing in minutes median (range) | Difficul-ties when collecting the swab % of “Yes” responses (n/N) | No. of partici-pants to whom swabs were sent n | No. of partici-pants from whom swabs were received n (%) | Time from mailing of the swab kit to swabbing (days) Median (range) | Time from swabbing to swab receipt in the lab (days) Median (range) |
Augsburg | 100 | 100 | 1 (<1–6) | 100 | 100 | 100 | — | — | — | — | — | — | — | — | — |
Bremen | 96 | 95 | 3 (1–10) | 98 | 100 | 100 | 95 | 81 (85) | 14 (15) | 2 (<1–5) | 68 (54/79) | 94 | 83 (88) | 8 (2–63) | 1 (1–13) |
Essen | 75 | 75 | 3 (<1–7) | 95 | 100 | 100 | 75 | 73 (97) | 2 (2.7) | 2 (1–4) | 42 (29/69) | — | — | — | — |
Freiburg | 97 | 96 | 2 (1–5) | 98 | 98 | 100 | — | — | — | — | — | 98 | 69 (70) | 11 (4–44) | 1 (1–30) |
Hamburg | 100 | 100 | 2 (<1–5) | 98 | 99 | 100 | 100 | 99 (99) | 1 (1.0) | 1 (<1–12) | 53 (52/99) | 100 | 75 (75) | 8 (2–66) | 2 (1–30) |
Heidelberg | 56 | 56 | 2 (<1–5) | 100 | 100 | 98 | 56 | 56 (100) | 0 (0) | 1 (<1–6) | 36 (20/56) | — | — | — | — |