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Table 2 Classifying severity in better ear

From: A randomised controlled trial comparing palate surgery at 6 months versus 12 months of age (the TOPS trial): a statistical analysis plan

Average dB HL Severity
≤ 20 dB HL Normal
Between 21 and 40 dB HL Mild
Between 41 and 70 dB HL Moderate
Between 71 and 95 dB HL Severe
> 95 dB HL Profound