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Table 1 Characteristic of the study population and odds ratios using logistic regression for all variables

From: Determination risk factors for severe and profound hearing loss in child candidates for cochlear implantation in southeast of Iran during 2014-2020

variable Case n = 400 Control n = 200 Odds ratio (95% CI) P-value
weight less than 1500 g
 No 344 191 1 0.026
 Yes 38 9 2.34(1.11,4.95)
hospitalization in NICU
 No 340 194 1 < 0.001
 Yes 59 6 5.61(2.37,13.23)
hypoxia
 No 341 179 1 0.039
 Yes 59 17 1.82(1.03,3.21)
Bilirubin more than 10
 No 306 184 1 < 0.001
 Yes 94 16 3.53(2.01,6.18)
Gestational age over 35
 No 348 197 1 < 0.001
 Yes 46 3 8.68(2.66,28.27)
Gestational diabetes
 No 383 196 1 0.167
 Yes 17 4 2.17(0.77,6.552)
Meningitis
 No 382 198 1 0.040
 Yes 18 2 4.66(1.07,20.30)
high fever and seizures
 No 304 182 1 < 0.001
 Yes 96 18 3.19(1.86,5.45)
family history of hearing loss
 No 235 195 1 < 0.001
 Yes 165 5 27.38(11.02,68.01)
consanguineous marriage
 No 124 174 1 < 0.001
 Yes 276 26 14.89(9.37,23.67)
congenital infection (TORCH)
 No 379 198 1 0.022
 Yes 21 2 5.48(1.27,23.63)
intracranial hemorrhage
 No 224 187 1 < 0.001
 Yes 176 13 11.30(6.22,20.50)
  1. The sum of subgroups may be less than total because of missing data