TABLE 2

Neurodevelopmental Assessments Among Patients With Normal Hearing or With SNHL by Age 2 y and Controls

Neurodevelopmental AssessmentPatients With Normal Hearing (N = 78)Patients With SNHL (N = 11)Controls (N = 40)
Full-scale intelligence
 No. of children tested (%)75 (96)11 (100)39 (98)
 Median no. of tests (IQR)7 (5–8)7 (6–8)4 (2–5)
 Median age at last assessment, y (IQR)17.1 (14.5–17.5)17.7 (17.4–18.3)17.1 (14.6–17.6)
Verbal intelligence
 No. of children tested (%)72 (92)10 (91)35 (88)
 Median no. of tests (IQR)4 (3–4)4 (4–4)3 (2–4)
 Median age at last assessment, y (IQR)17.2 (15.8–17.6)17.8 (17.5–17.9)17.4 (16.6–17.7)
Nonverbal intelligence
 No. of children tested (%)72 (92)11 (100)35 (88)
 Median no. of tests (IQR)4 (3–4)4 (3–4)3 (2–4)
 Median age at last assessment, y (IQR)17.2 (15.8–17.6)17.7 (17.4–17.9)17.4 (16.6–17.7)
Receptive vocabulary
 No. of children tested (%)72 (92)11 (100)35 (88)
 Median no. of tests (IQR)3 (2–4)4 (3–5)2 (2–3)
 Median age at last assessment, y (IQR)17.1 (14.6–17.6)17.7 (17.4–17.9)17.2 (15.6–17.6)
Expressive vocabulary
 No. of children tested (%)70 (90)11 (100)33 (83)
 Median no. of tests (IQR)2.5 (2–3)3 (2–3)1 (1–2)
 Median age at last assessment, y (IQR)13.3 (10.1–13.7)13.2 (11.3–13.6)13.4 (12.3–14.1)
Academic achievement: math
 No. of children tested (%)70 (90)11 (100)35 (88)
 Median no. of tests (IQR)3 (2–4)3 (3–4)2 (2–3)
 Median age at last assessment, y (IQR)17.2 (16.4–17.6)17.7 (17.4–17.9)17.4 (16.9–17.7)
Academic achievement: reading
 No. of children tested (%)70 (90)11 (100)35 (88)
 Median no. of tests (IQR)3 (2–4)3 (3–4)2 (2–3)
 Median age at last assessment, y (IQR)17.2 (16.4–17.6)17.7 (17.4–17.9)17.2 (16.4–17.6)
  • IQR, interquartile range.