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Table 6 Percentage of children lost to follow-up (LTFU) out of those referred from screening step 1, for the studies comparing LTFU rates between infant groups [36, 60, 83,84,85,86,87,88,89,90,91,92,93,94,95,96,97, 116,117,118, 120,121,122,123,124,125]

From: Protocol and programme factors associated with referral and loss to follow-up from newborn hearing screening: a systematic review

  1. LTFU lost to follow-up, n sample size, ND not described, NICU neonatal intensive-care unit, RF risk factors, WB well baby
  2. aStudies that compared infants with risk factors for permanent hearing impairment compared to infants without risk factors. Other studies compared WB with infants admitted to the NICU
  3. bRisk ratio cannot be calculated with a LTFU rate of 0%