Table 5

Procedure groups with limited evidence (<10 sources)

Procedure groupAerosol source
(if procedures aerosol-generating or possibly aerosol-generating)
N 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
ENT and neurosurgeryWound/invasive procedure33 (100)0 (0)0 (0)
GI endoscopy (not further specified)GI (not further specified)22 (100)0 (0)0 (0)
Intra/extra pulmonary high-frequency oscillation devicesTracheobronchial32 (67)1 (33)0 (0)
Toilet use and flushingCleaning tasks22 (100)0 (0)0 (0)
Vacuum cleaningCleaning tasks22 (100)0 (0)0 (0)
Supraglottic airwaysTracheobronchial11 (100)0 (0)0 (0)
Handling soiled laundryCleaning tasks65 (83)0 (0)1 (17)
Prone positioningTracheobronchial54 (80)0 (0)1 (20)
Mechanical insufflation and exsufflationTracheobronchial43 (75)1 (25)0 (0)
Manipulation of masksOronasal85 (63)0 (0)3 (37)
Lung function testingTracheobronchial74 (57)2 (29)1 (14)
Suction of body fluids (not further specified)Patient care63 (50)2 (33)1 (17)
ColonoscopyLower GI21 (50)0 (0)1 (50)
Nasogastric tube insertionOronasal94 (44)1 (11)4 (44)
Nitrous oxide (Entonox) administration20 (0)0 (0)2 (100)
Labour and delivery10 (0)0 (0)1 (100)
  • Percentages were rounded to the nearest full percentage point. Totals may therefore not equal 100% exactly.

  • ENT, ear, nose and throat; GI, gastrointestinal.