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. 2013 May 15;21:40. doi: 10.1186/1757-7241-21-40

Table 2.

Results for ability to activate speaker function vs. age group

  Age 54 - 68
Age ≥69
p-value for difference between age groups
n = 35 n = 37
Activated without instructions
15
10
0.16
Activated with instructions
8
13
0.25
Unable to activate 12 14 0.75