. 2021 Jun 12;59(5):666–669. doi: 10.1016/j.resinv.2021.05.009

Table 1.

Questions in the survey.

Questions:
1. Have you ever used NPPV (BilevelPAP excluding CPAP) in COVID-19 (including suspected cases)? 2. （Please answer only if you have chosen “Yes” for Q1 ）Did you find NPPV(Bilevel PAP) effective for COVID-19 (including suspected cases)? 3. （Please answer only if you have chosen “Yes” for Q1） What kind of PPE do medical staff wear when using NPPV (Bilevel PAP) for COVID-19 (including suspected cases)? (multiple selections allowed). 4. (Please answer only if you have chosen “Yes” for Q1). When using NPPV (Bilevel PAP) for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)? 5. (Please answer only if you have chosen “Yes” for Q1). What points did you pay special attention to when using NPPV (Bilevel PAP) for COVID-19? 6. Have you ever used CPAP (for acute respiratory failure rather than OSAS treatment) in COVID-19 (including suspected cases)? 7. (Please answer only if you have chosen “Yes” for Q6). Did you find CPAP (for acute respiratory failure) effective for COVID-19 (including suspected cases)? 8. (Please answer only if you have chosen “Yes” for Q6） What kind of PPE do medical staff wear when using CPAP (for acute respiratory failure) for COVID-19 (including suspected cases)? (multiple selections allowed). 9. (Please answer only if you have chosen “Yes” for Q6). When using CPAP (for acute respiratory failure) for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)? 10. (Please answer only if you have chosen “Yes” for Q6). What points did you pay special attention to when using CPAP (for acute respiratory failure) for COVID-19? 11. Have you ever used HFNC in COVID-19 (including suspected cases)? 12. (Please answer only if you have chosen “Yes” for Q11). Did you find HFNC effective for COVID-19 (including suspected cases)? 13. (Please answer only if you have chosen “Yes” for Q11） What kind of PPE do medical staff wear when using HFNC for COVID-19 (including suspected cases)? (multiple selections allowed). 14. (Please answer only if you have chosen “Yes” for Q11). When using HFNC for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)? 15. (Please answer only if you have chosen “Yes” for Q11). What points did you pay special attention to when using HFNC for COVID-19, such as hospital rules, room types, and CPAP masks and circuits? 16. If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use NPPV (Bilevel PAP)? 17. If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use CPAP (for acute respiratory failure)? 18. If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use HFNC? 19. If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use invasive mechanical ventilation? 20. Do you use NPPV (Bilevel PAP), CPAP (for acute respiratory failure), or HFNC for cases of respiratory failure in which you do not suspect COVID-19?

Questions:

1.
Have you ever used NPPV (BilevelPAP excluding CPAP) in COVID-19 (including suspected cases)?
2.
（Please answer only if you have chosen “Yes” for Q1 ）Did you find NPPV(Bilevel PAP) effective for COVID-19 (including suspected cases)?
3.
（Please answer only if you have chosen “Yes” for Q1） What kind of PPE do medical staff wear when using NPPV (Bilevel PAP) for COVID-19 (including suspected cases)? (multiple selections allowed).
4.
(Please answer only if you have chosen “Yes” for Q1). When using NPPV (Bilevel PAP) for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)?
5.
(Please answer only if you have chosen “Yes” for Q1). What points did you pay special attention to when using NPPV (Bilevel PAP) for COVID-19?
6.
Have you ever used CPAP (for acute respiratory failure rather than OSAS treatment) in COVID-19 (including suspected cases)?
7.
(Please answer only if you have chosen “Yes” for Q6). Did you find CPAP (for acute respiratory failure) effective for COVID-19 (including suspected cases)?
8.
(Please answer only if you have chosen “Yes” for Q6） What kind of PPE do medical staff wear when using CPAP (for acute respiratory failure) for COVID-19 (including suspected cases)? (multiple selections allowed).
9.
(Please answer only if you have chosen “Yes” for Q6). When using CPAP (for acute respiratory failure) for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)?
10.
(Please answer only if you have chosen “Yes” for Q6). What points did you pay special attention to when using CPAP (for acute respiratory failure) for COVID-19?
11.
Have you ever used HFNC in COVID-19 (including suspected cases)?
12.
(Please answer only if you have chosen “Yes” for Q11). Did you find HFNC effective for COVID-19 (including suspected cases)?
13.
(Please answer only if you have chosen “Yes” for Q11） What kind of PPE do medical staff wear when using HFNC for COVID-19 (including suspected cases)? (multiple selections allowed).
14.
(Please answer only if you have chosen “Yes” for Q11). When using HFNC for COVID-19 (including suspected cases), did any of your medical staff become infected (or suspected)?
15.
(Please answer only if you have chosen “Yes” for Q11). What points did you pay special attention to when using HFNC for COVID-19, such as hospital rules, room types, and CPAP masks and circuits?
16.
If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use NPPV (Bilevel PAP)?
17.
If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use CPAP (for acute respiratory failure)?
18.
If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use HFNC?
19.
If COVID-19 (including suspected cases) is difficult to manage with conventional oxygen therapy, at what rate do you use invasive mechanical ventilation?
20.
Do you use NPPV (Bilevel PAP), CPAP (for acute respiratory failure), or HFNC for cases of respiratory failure in which you do not suspect COVID-19?