TABLE 2

Nature of Hearing Loss Stratified by Symptomatic or Asymptomatic Infection8,24,25,2729,34,40,6772

Hearing Loss CharacteristicsSymptomatic at BirthAsymptomatic at Birth
Estimated Proportion, %95% CI, I2, P of HeterogeneityEstimated Proportion, %95% CI, I2, P of Heterogeneity
Bilateral hearing loss71.264.2–77.8, 0%, .894443.128.2–58.6, 39.8%, .1024
Unilateral hearing loss28.822.2–35.9, 0%, .894456.941.4–71.8, 39.8%, .1024
Severe to profound hearing loss76.870.1–83, 0%, .504477.759.6–91.6, 52.9%, .038
Bilateral severe to profound hearing loss65.154.2–75.2, 0%, .493742.620.2–66.7, 49%, .0673
Delayed hearing loss18.15.9–36.2, 65.4%, .005190.8–24.5, 64.8%, .0058
Progressive hearing loss17.73.5–39.4, 80.5%, <.000120.35.3–41.8, 73.1%, .0002
Fluctuating hearing loss21.59.3–37, 55.6%, .0272242.1–59.6, 86.3%, <.0001