Prevalence, 95% confidence interval, and number of infants with permanent SNHL and CHL in the population born between 1 January 1998 and 31 December 2000 at the Chaim Sheba Medical Center and cared for in the WBN, intermediate care unit, and the NICU and surviving to discharge
| VLBW (A) | NICU >1500 g (B) | WBN (C) | p Value | |||
|---|---|---|---|---|---|---|
| A v B | A v C | C v B | ||||
| Prevalence values are number (%). | ||||||
| CHL, Conductive hearing loss; CI, confidence interval; NICU, neonatal intensive care unit; SNHL, sensory-neural hearing loss; VLBW, very low birthweight; WBN, well baby nursery. | ||||||
| No of newborns | 346 | 1011 | 22739 | |||
| Prevalence of SNHL | 1 (0.3) | 10 (0.99) | 24 (0.1) | NS | NS | <0.0001 |
| 95% CI | −0.28 to 0.86% | 0.38 to 1.6% | 0.063 to 0.15% | |||
| Prevalence of CHL | 9 (2.7) | 5 (0.5) | 14 (0.06) | <0.001 | <0.0001 | <0.001 |
| 95% CI | 0.92 to 4.28% | 0.06 to 0.93% | 0.03 to 0.09% | |||