Table 4.

Application evaluation – 1st instillation

	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)