Central variant | Variations on central variant | |||||
Method | OAE | AABR | OAE | OAE | OAE | OAE |
Number of stages | 2 | 2 | 3 | 2 | 2 | 2 |
Aim | Detection of both unilateral and bilateral losses (screening of both ears) | Detection of bilateral losses only | Detection of both unilateral and bilateral losses (screening of both ears) | |||
Place of screening | CHC | CHC | CHC | CHC | Home visits only | Home visit + CHC |
Costs per child screened (in €) | 20.9 (2.3) | 29.4 (3.0) | 18.1 (1.7) | 17.0 (1.9) | 23.7 (2.9) | 20.1 (2.1) |
Costs per child detected (NICU screening in place) (in 1000 €) | 29.0 (6.4) | 40.7 (9.4) | 25.0 (5.4) | 23.5 (5.9) | 32.1 (8.2) | 27.4 (6.0) |
% referred for diagnostic testing | 3.6 (1.0) | 2.3 (0.6) | 1.8 (0.6) | 2.2 (0.8) | 2.0 (0.8) | 2.4 (0.9) |
Positive predictive value (NICU screening in place) (%) | 2.2 (0.7) | 3.5 (1.1) | 4.5 (1.6) | 3.6 (1.4) | 3.9 (1.7) | 3.3 (1.4) |
Time spent by parent (hours) | 1.2 (0.1) | 1.2 (0.1) | 1.2 (0.1) | 1.1 (0.1) | 0.4 (0.05) | 0.4 (0.07) |
The elements printed in bold differ from the central variant. Values are mean (SEM).
OAE, Otoacoustic emissions; AABR, automated auditory brainstem response; CHC, child health clinic; NICU, neonatal intensive care unit.