Table 3. SSD threshold based on human transcriptions

Age 2 3 3.5 4 4.5 5
Thresh. (%) 11.7 21.6 22.7 35.6 35.8 40.8
Age 5.5 6 6.5 7 8 9
Thresh. (%) 47.4 46.8 61.8 65.5 76.4 79.0
SSD, speech sound disorder.