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. 2015 Oct 18;74(6):896–902. doi: 10.1016/S1808-8694(15)30151-8

Table 1.

Descriptive measures associated to tonal and speech recognition thresholds in dB HL, and the speech recognition index.

Tonal thresholds, speech recognition thresholds and speech recognition
Right ear Left ear
min. max. mean sd min. max. mean sd
0,25 5,0 25,0 15,5 4,9 5,0 30,0 16,1 5,9
0,50 10,0 30,0 16,7 5,9 5,0 30,0 16,0 6,9
1,0 5,0 35,0 17,5 7,5 0,0 35,0 16,1 8,5
F 2,0 0,0 45,0 19,8 11,2 5,0 50,0 19,5 11,3
(KHz) 3,0 0,0 60,0 22,1 14,5 5,0 60,0 23,7 14,6
4,0 5,0 65,0 27,3 16,0 5,0 70,0 30,1 17,7
6,0 0,0 90,0 36,2 20,3 5,0 90,0 39,1 21,4
8,0 5,0 95,0 38,7 21,0 5,0 95,0 40,0 23,4
SRT (dB NA) 10,0 35,0 20,7 6,9 10,0 35,0 20,4 6,0
SRI (%) 80,0 100,0 94,0 6,0 80,0 100,0 94,0 6,4

Legend: F = frequency; SRT = speech recognition threshold; SRI = speech recognition index; min = minimum; max. = maximum; sd = standard deviation