2017 Type and Severity Summary of Identified Cases of Hearing Loss (By Ear): ASHA Classification

August 2019

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Total Cases of Permanent Hearing Loss (47 states and territories*): 6,029 Children
2017 Type and Severity Summary of Identified Cases of Hearing Loss (By Ear):ASHA Classification
BILATERAL (by Ear) UNILATERAL (by Ear) LATERALITY UNKNOWN (i.e., Unknown if case is a unilateral or bilateral loss)
RIGHT EAR LEFT EAR UNKNOWN EAR    (degree of loss for each ear) RIGHT EAR LEFT EAR UNKNOWN EAR
Sensorineural Slight 40 34 0 0 10 15 0 0
Mild 556 569 0 0 83 118 0 0
Moderate 651 648 0 0 81 118 0 2
Moderately Severe 237 268 0 0 41 60 0 0
Severe 238 248 0 0 83 116 0 2
Profound 616 601 0 0 139 142 0 1
Unknown Severity 57 61 0 0 24 16 0 0
Conductive Slight 7 6 0 0 2 4 0 0
Mild 66 60 0 0 16 20 0 2
Moderate 77 77 0 0 131 59 0 1
Moderately Severe 58 58 0 0 162 80 0 2
Severe 32 29 0 0 46 34 0 0
Unknown Severity 24 26 0 0 81 53 0 3
Mixed Slight 3 4 0 0 0 3 0 0
Mild 41 33 0 0 11 5 0 0
Moderate 88 98 0 0 14 25 0 0
Moderately Severe 84 76 0 0 12 27 0 3
Severe 76 72 0 0 19 17 0 1
Profound 30 23 0 0 7 13 0 0
Unknown Severity 12 9 0 0 5 7 0 0
Type Unknown Slight 21 20 0 0 8 8 0 0
Mild 67 65 1 1 30 18 0 16
Moderate 74 60 0 0 15 18 0 8
Moderately Severe 41 35 0 0 12 18 0 5
Severe 34 38 0 0 14 21 0 5
Profound 38 41 0 0 15 20 0 4
Unknown Severity 107 117 2 2 46 29 0 12
Auditory Neuropathy Slight 0 0 0 0 0 0 0 0
Mild 5 5 0 0 0 0 0 0
Moderate 8 6 0 0 0 5 0 0
Moderately Severe 1 2 0 0 1 1 0 0
Severe 24 23 0 0 8 8 0 0
Profound 29 33 0 0 19 11 0 0
Unknown Severity 94 91 0 0 36 41 0 0
Totals by Ear 3,536 3,536 3 3 1,171 1,130 0 67
Totals by Child 3,536 3 1,171 1,130 0 67
Laterality Totals (by Child)   3,539 Bilateral Cases 2,301 Unilateral Cases  
Total all Types and Severity (by Child) 5,907
Cases Resolved (i.e., hearing loss to no hearing loss) 122
Overall Total (by Child) 6,029

Note*: Based on responses from 47 jurisdictions that provided complete data in Part 1 of the HSFS

Summary of Type and Severity of Identified Cases of Hearing Loss in 2017

Note*: Based on responses from 47 jurisdictions that provided complete data in Part 1 of the HSFS

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