Table 1 Summary of patient characteristics in the Royal National Ear, Nose and Throat dataset (N = 54927) in comparison with the Massachusetts Eye and Ear dataset (N = 116400). The demographics are presented for the entire database N = 116400 patients, however of these, only 66252 patients had audiograms used in the GMM model. The demographics of this subcohort are not presented in the published study so we present the demographics of the entire dataset only.
RNENT (N = 54927) | MEE (N = 116400) | |
|---|---|---|
Age (years) | ||
Mean (SD) Range Proportion ≥ 50 years (%) | 61.9 (± 19.7) 18–100 71 | - 18–80 63 |
Gender (%) | ||
Male Female | 44 56 | 46–49 as function of age group 51–54 as function of age group |
GMM a model parameters | ||
Cluster number Covariance Type Regularisation Value Convergence Thresholds | 9 Full 0.01 le-3 | 10 Full 0.01 le-6 |