Table 3

Procedure groups classified as ‘aerosol-generating’ or ‘possibly aerosol-generating’ with high levels of agreement (80% or more of sources)

Procedure groupAerosol sourceN of sources mentioning procedures in this groupn (%) of sources that classified procedures in this group as aerosol-generatingn (%) of sources that classified procedures in this group as possibly aerosol-generatingn (%) of sources that classified procedures in this group as not aerosol-generating
AutopsyAutopsy3333 (100)0 (0)0 (0)
Surgery/postmortem procedures with high-speed devicesWound/invasive procedure1414 (100)0 (0)0 (0)
Intubation and extubation proceduresTracheobronchial, oronasal119114 (96)5 (4)0 (0)
BronchoscopyTracheobronchial9489 (95)2 (2)3 (3)
Sputum inductionTracheobronchial6460 (94)2 (3)2 (3)
Manual ventilationTracheobronchial5652 (93)2 (4)2 (4)
Airway suctioningTracheobronchial, oronasal10392 (89)6 (6)5 (5)
Cardiopulmonary resuscitationTracheobronchial7466 (89)3 (4)5 (7)
Tracheostomy and tracheostomy proceduresTracheobronchial6557 (88)8 (12)0 (0)
Non-invasive ventilationTracheobronchial8978 (88)8 (9)3 (3)
High-flow oxygen therapyInhaled therapy3732 (86)4 (11)1 (3)
Breaking closed ventilation systems (intentionally or unintentionally)Tracheobronchial1311 (85)2 (15)0 (0)
Nebulised or aerosol therapyInhaled therapy9175 (82)9 (10)7 (8)
Nasopharyngoscopy or laryngoscopyOronasal1612 (75)2 (13)2 (13)
High-frequency oscillatory ventilationTracheobronchial3927 (69)9 (23)3 (8)
CoughingTracheobronchial1810 (55)5 (28)3 (17)
Mechanical ventilationTracheobronchial158 (53)4 (27)3 (20)
Chest physiotherapyTracheobronchial4623 (50)14 (30)9 (20)
Nasopharyngeal aspirateOronasal2913 (45)12 (41)4 (14)
  • Percentages were rounded to the nearest full percentage point.