Percentage (%) of device programming parameter settings with non-default value. Four parameters, including pulse width, stimulation rate, number of channels, and number of maxima are shown for children who received their first CI at or before 12 months of age and for children who received their first CI after 12 months of age. Data are shown for device settings at 6-months post-activation (white bars), and chronological ages of 3 (light grey bars) and 5 years (dark grey bars) for 88 children (n=98 ears).