Table 1

Probabilities of events related to the four-stage test procedure
Name Description Mean (95% CI) Source
p_Ltfu1_t Probability of loss to follow-up before the initial hearing screening test with tracking 0.045 (0.043; 0.047) Pilot project ‘newborn auditory screening’ [8]
p_Ltfu1_nt Probability of loss to follow-up before the initial hearing screening test without tracking 0.053 (0.051; 0.055) Pilot project ‘newborn auditory screening’ [8]
p_Ltfu2_t Probability of loss to follow-up before 2nd test with tracking 0.07 (0.057; 0.084) Data from the state-wide screening programme for 2010
p_Ltfu2_nt Probability of loss to follow-up before 2nd test without tracking 0.51 (0.497; 0.524) Data from the state-wide screening programme for 2010
p_Ltfu3_t Probability of loss to follow-up before 3rd test with tracking 0.08 (0.048; 0.117) Data from the state-wide screening programme for 2010
p_Ltfu3_nt Probability of loss to follow-up before 3rd test without tracking 0.29 (0.256; 0.325) Data from the state-wide screening programme for 2010
p_Ltfu4_t Probability of loss to follow-up before 4th test with tracking 0.07 (0.027; 0.133) Data from the state-wide screening programme for 2010
p_Ltfu4_nt Probability of loss to follow-up before 4th test without tracking 0.18 (0.133; 0.239) Data from the state-wide screening programme for 2010
p_fail_1st_test Probability of failing the initial hearing screening test bilaterally 0.006 (0.005; 0.007) Pilot project ‘newborn auditory screening’ [8]
p_fail_2nd_test Probability of failing the 2nd test bilaterally 0.202 (0.167; 0.241) Pilot project ‘newborn auditory screening’*
p_fail_3rd_test Probability of failing the 3rd test bilaterally 0.627 (0.512; 0.739) Pilot project ‘newborn auditory screening’*
p_fail_4th_test Probability of failing the 4th test bilaterally 0.609 (0.400; 0.785) Pilot project ‘newborn auditory screening’*
p_diagnosis_after_2nd_test Probability of diagnosis after 2nd test 0.11 (0.073; 0.159) Data from the state-wide screening programme for 2010
p_diagnosis_after_3rd_test Probability of diagnosis after 3rd test 0.36 (0.261; 0.460) Data from the state-wide screening programme for 2010

*unpublished data.

Langer et al.

Langer et al. BMC Health Services Research 2012 12:418   doi:10.1186/1472-6963-12-418

Open Data