Skip to main content

Table 4 Multivariate linear regression of general IQ score (postoperative)

From: Evaluation of outcome of cochlear implanted children after 2 years of rehabilitation in Alexandria: a retrospective study

 

General IQ score (postoperative)

Mean ± (SD)

Coefficient (univariable)

Coefficient (multivariable)

Age of hearing loss (month)

 

88.6 ± (8.1)

 − 0.03 (− 0.28 to 0.22, p = 0.807)

 − 0.14 (− 0.56 to 0.28, p = 0.492)

Cause of hearing loss

Meningitis

83.5 ± (2.1)

-

-

Otitis media

75.0 ± (0)

 − 8.50 (− 28.18 to 11.18, p = 0.385)

 − 7.49 (− 28.98 to 14.01, p = 0.476)

Unknown

89.4 ± (8.0)

5.90 (− 5.84 to 17.64, p = 0.313)

2.47 (− 12.60 to 17.54, p = 0.736)

Age of hearing aids fitting (months)

 

89.2 ± (8.0)

 − 0.23 (− 0.73 to 0.27, p = 0.355)

 − 0.23 (− 0.73 to 0.27, p = 0.355)

Duration of hearing deprivation till hearing aids (months)

 

88.6 ± (8.1)

 − 0.34 (− 0.93 to 0.25, p = 0.252)

 − 0.23 (− 0.97 to 0.50, p = 0.518)

Duration of hearing depravation from hearing loss till CI (years)

 

88.6 ± (8.1)

1.10 (− 0.32 to 2.53, p = 0.125)

0.23 (− 1.63 to 2.10, p = 0.796)

Duration of rehabilitation in years (pre-operative)

 

89.1 ± (8.3)

 − 0.12 (− 1.22 to 0.98, p = 0.820)

 − 0.12 (− 1.22 to 0.98, p = 0.820)

Age of operation cochlear implantation CI (year)

 

88.6 ± (8.1)

0.52 (− 1.32 to 2.35, p = 0.569)

 − 0.41 (− 3.99 to 3.18, p = 0.815)

Implant brand

Cochlear

90.9 ± (12.1)

-

-

MED-EL

86.8 ± (6.1)

 − 4.04 (− 10.76 to 2.68, p = 0.229)

 − 3.82 (− 12.83 to 5.18, p = 0.386)

Oticon

98.7 ± (0.6)

7.81 (− 2.87 to 18.49, p = 0.146)

5.71 (− 7.77 to 19.18, p = 0.387)

Site of insertion

Boney cochleostomy

90.4 ± (9.1)

-

-

Extended round window

90.0 ± (8.3)

 − 0.36 (− 7.33 to 6.62, p = 0.917)

 − 2.21 (− 10.49 to 6.08, p = 0.585)

Round window

84.9 ± (5.7)

 − 5.46 (− 12.21 to 1.30, p = 0.110)

 − 4.47 (− 14.42 to 5.49, p = 0.360)

Parents’ involvement

Negative

86.6 ± (5.6)

-

-

Positive

89.2 ± (8.8)

2.61 (− 4.16 to 9.39, p = 0.437)

0.54 (− 7.75 to 8.83, p = 0.893)

  1. P value < 0.05, significant; P value < 0.01, highly significant