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. 2017 Nov 9;7:15220. doi: 10.1038/s41598-017-15574-4

Table 2.

Tinnitus Characteristics.

Characteristic Mean (SD) n(%)
Time with tinnitus (years) 16.27 (13.94)
Mean THI score (0–60) 28.80 (13.96)
   Slight impact 2 (13%)
   Mild impact 10 (67%)
   Moderate impact 2 (13%)
   Severe impact 1 (7%)
Awareness (0–100) 46.33 (24.16)
Loudness (0–100) 45.17 (21.64)
Tinnitus laterality
   Left ear 1 (7%)
   Both ears, worse in left 0 (0%)
   Both ears/Inside the head 9 (60%)
   Both ears, worse in right 3 (20%)
   Right ear 2 (13%)
Onset
   Sudden 4 (27%)
   Gradual 10 (67%)
   Unknown 1 (7%)
Believed cause
   Knowna 12 (80%)
   Unknown 3 (20%)

aCauses believed to be prolonged noise exposure (33%), stress (20%), medical (20%), loud sound blast (20%), and hearing changes (7%).