Bulletin of the World Health Organization

Pilot implementation of newborn hearing screening programme at four hospitals in southern Thailand

Pittayapon Pitathawatchai, Wandee Khaimook & Virat Kirtsreesakul

Volume 97, Number 10, October 2019, 663-671

Table 1. Infants screened for hearing loss, by risk factor, Thailand, January–July 2017

Risk No. of infants (%)
Exposed to particular risk (n = 310) Bilateral hearing loss detected at first screening (n = 245) Lost to follow-up after first screening (n = 63) Attended second screening (n = 182) Lost to follow-up after second screening (n = 9) Attended diagnostic appointment (n = 32) Diagnosed with sensorineural hearing loss (n = 3)
No exposure to riska NA 187 (76.3) 51 (81.0) 136 (74.7) 0 (0) 25 (78.1) 2 (66.7)
Assisted ventilation 6 (1.9) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
Ototoxic medication 75 (24.2) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
Anomalies and syndromes associated with hearing loss 6 (1.9) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
Stay in neonatal intensive care unit > 5 days 99 (31.9) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
Multiple risks
Intensive care, ototoxic drugs and assisted ventilation 94 (30.3) 40 (16.3) 7 (11.1) 33 (18.1) 2 (22.2) 3 (9.4) 0 (0)
Ototoxic drugs and meningitis 15 (4.8) 13 (5.3) 5 (7.9) 8 (4.4) 6 (66.7) 2 (6.3) 1 (33.3)
Ototoxic drugs and in utero infection 15 (4.8) 5 (2.0) 0 (0) 5 (2.7) 1 (11.1) 2 (6.3) 0 (0)

NA: not applicable.

a Number of infants screened: 5612.

Note: The flowchart of the screening process is presented in Fig. 1. Due to rounding, some inconsistencies arise in some values.