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Estimates of mean deviation rates of change (in dB/year) matched for the same amount of sensitivity loss in linear scale (1/Lambert/year).
| Mild (MD>-6 dB) | Moderate (-12<MD<-6 dB) | Severe (MD<-12 dB) |
|---|---|---|
| −0.045 dB/year | −0.14 dB/year | −0.5 dB/year |
| −0.08 dB/year | −0.30 dB/year | −1.0 dB/year |
| −0.1 dB/year | −0.45 dB/year | −2.0 dB/year |
