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. 2021 Aug 28;17(1):18–24. doi: 10.1016/j.joto.2021.08.002

Table 1.

Adverse events by category.

Category
n (%)
Intra-Op (%)
Post-Op (%)
Total Adverse Events 110 53 (48.2) 57 (51.8)
 Total Device Issues 63 (57.3) 33 (52.4) 30 (47.6)
 Break 33 (52.4) 27 (81.8) 6 (18.2)
 Nonspecific break 23 (69.7) 19 (82.6) 4 (17.4)
 Shoe Broke Off 4 (12.1) 4 (100) 0 (0)
 Wire Broke from Piston 1 (3) 1 (100) 0 (0)
 Shaft Broke from Wire 1 (3) 0 (0) 1 (100)
 Shaft Broke Off 2 (6.1) 2 (100) 0 (0)
 Phalange Broke Off 1 (3) 1 (100) 0 (0)
 Disintegrated 1 (3) 0 (0) 1 (100)
 Displacement 17 (27) 0 (0) 17 (100)
 Nonspecific Displacement 6 (35.3) 0 (0) 6 (100)
 Extrusion 11 (64.7) 0 (0) 11 (100)
 Incorrect Size or Shape 7 (11.1) 3 (42.9) 4 (57.1)
 Failure to Crimp 4 (6.3) 3 (75) 1 (25)
 Loop of Stapes Open 2 (3.2) 0 (0) 2 (100)
 Total Patient Issues 39 (35.5) 12 (30.8) 27 (69.2)
 Hearing Loss 12 (30.8) 1 (8.3) 11 (91.7)
 Distorted Hearing 2 (5.1) 0 (0) 2 (100)
 Perforation 3 (7.7) 0 (0) 3 (100)
 Erosion 6 (15.4) 0 (0) 6 (100)
 Foreign Body in Patient 4 (10.3) 4 (100) 0 (0)
 Nerve damage 1 (2.6) 1 (100) 0 (0)
 Burns 1 (2.6) 1 (100) 0 (0)
 Fracture 1 (2.6) 0 (0) 1 (100)
 Pain 2 (5.1) 1 (50) 1 (50)
 Inner Ear Injury 1 (2.6) 0 (0) 1 (100)
 Vertigo 1 (2.6) 1 (100) 0 (0)
 Dizziness 1 (2.6) 1 (100) 0 (0)
 Headache and Pain During MRI 1 (2.6) 0 (0) 1 (100)
 Drainage 1 (2.6) 0 (0) 1 (100)
 Nausea 1 (2.6) 1 (100) 0 (0)
 Nystagmus 1 (2.6) 1 (100) 0 (0)
 Total Package Issues 8 (7.3) 8 (100) 0 (0)
 Device Broken in Package 2 (25) 2 (100) 0 (0)
 Contaminate Within Package 2 (25) 2 (100) 0 (0)
 Unsealed Package 1 (12.5) 1 (100) 0 (0)
 Improper Size Labeling 1 (12.5) 1 (100) 0 (0)
 Incorrect Item Within Package 1 (12.5) 1 (100) 0 (0)
 Missing Component 1 (12.5) 1 (100) 0 (0)