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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Ear Hear. 2014 Jan-Feb;35(1):110–117. doi: 10.1097/AUD.0b013e3182a362b8

Figure 4.

Figure 4

Individual change in air-conduction thresholds from baseline to the final audiologic assessment, as a function of duration of follow-up (months) for a four-frequency (top panel) and high-frequency pure-tone average (PTA) (middle panel), and 8 kHz (bottom panel). Dashed line at 0 dB indicates no change in threshold; positive values depict a decline in threshold and negative values depict an improvement in threshold. Solid lines demarcate the range of test/retest variability standardly associated with pure-tone threshold assessment. Grayed symbols indicate overlapping data points.