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Table 4 Application evaluation – 1st instillation

From: Evaluation of the safety and efficacy of a novel product for the removal of impacted human cerumen

  Impaction before 1st instillation
n (%)
 
Irrigation 51-75% 76-100% Total
Ear impaction before 1st irrigation
 <3% impacted 0 0 0
 3–25% 2 (17) 0 2 (7)
 26–50% 4 (33) 0 4 (13)
 51–75% 6 (50) 5 (28) 11 (37)
 76–100% 0 13 (72) 13 (43)
Ear impaction after 1st irrigation
 <3% impacted 4 (33) 3 (17) 7 (23)
 3–25% 2 (17) 1 (6) 3 (10)
 26–50% 4 (33) 2 (11) 6 (20)
 51–75% 2 (17) 2 (11) 4 (13)
 76–100% 0 10 (56) 10 (33)
Ear impaction after 2nd irrigation
 <3% impacted 8 (67) 3 (17) 11 (37)
 3–25% 0 2 (11) 2 (7)
 26–50% 3 (25) 2 (11) 5 (17)
 51–75% 1 (8) 3 (17) 4 (13)
 76–100% 0 8 (44) 8 (27)
Ear impaction after 3rd irrigation
 <3% impacted 8 (67) 8 (44) 16 (53)
 3–25% 0 1 (6) 1 (3)
 26–50% 3 (25) 2 (11) 5 (17)
 51–75% 0 2 (11) 2 (7)
 76–100% 0 4 (22) 4 (13)
 Not performed 1 (8) 1 (6) 2 (7)
2nd treatment needed
 No 8 (67) 8 (44) 16 (53)
 Yes 4 (33) 10 (56) 14 (47)
Total 12 (100) 18 (100) 30 (100)