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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Ear Hear. 2013 Jul-Aug;34(4):402–412. doi: 10.1097/AUD.0b013e3182772c66

Table 4.

Post-operative Complications

Age Group Number of People
Implanted
Number of Ears
Implanted
Minor
Complications1
Revision
Surgeries1
Re-
implantation
Surgeries1
Total
Complications1
<18
months
60 85 5 (5.88%) 2 (2.35%) 5 (5.88%) 12 (14.12%)
18-36
months
71 94 4 (4.26%) 3 (3.19%) 7 (7.45%) 14 (14.89%)
36+
months
44 52 2 (3.85%) 2 (3.85%) 6 (11.54%) 10 (19.23%)
All
groups
175 231 11 (4.76%) 7 (3.03%) 18 (7.79%) 36 (15.58%)
1

All complication rates as a percentage of number of ears implanted; none of the complication rates were statistically different at the 5% level between age groups - ANOVA p-values of 0.80, 0.95, 0.40, and 0.59 for minor complications, revision surgeries, re-implantation surgeries, and total complications across all age groups at implantation, respectively.