Clearance and complications compared between groups for changes after 1 week.
| Bulb, n (%) | Irrigation, n (%) | Difference between groups (95% CI) | P-value | |
|---|---|---|---|---|
| Wax clearance (obstruction score 0 or 1) | 50/104 (48) | 64/102 (63) | 15% (1 to 28%) | 0.03 |
| Requires no further clearance (based on normal clinical practice) | 51/100 (51) | 66/95 (69) | 18% (5 to 32%) | <0.01 |
| Infection | 1/97 (1) | 1/93 (1) | 0% (−3 to 3%) | 1.00a |
| Perforation | 1/97 (1) | 1/94 (1) | 0% (−3 to 3%) | 1.00a |
| Signs of trauma | 1/97 (1) | 1/94 (1) | 0% (−3 to 3%) | 1.00a |
↵a Fishers Exact test used.