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. 2024 Dec 28;14:30752. doi: 10.1038/s41598-024-80481-4

Table 3.

Results of multivariable regression models evaluating the association of race and ethnicity with optical coherence tomography retinal nerve fiber layer thickness variability (standard deviation [SD] of the residuals) adjusting for covariates.

Parameter Coefficient 95% CI P value
By race
 Black or African American race 0.193 0.075 0.311 0.001
 Mean OCT RNFL, per 1 μm higher 0.012 0.008 0.016 < 0.001
 Race × mean OCT RNFL 0.007 − 0.002 0.017 0.129
 Baseline age, per 10 years 0.011 − 0.032 0.054 0.630
 Follow− up duration, per 1 year 0.031 0.013 0.050 0.001
By ethnicity
 Hispanic or Latino ethnicity − 0.145 − 0.243 − 0.047 0.004
 Mean OCT RNFL, per 1 μm higher 0.015 0.010 0.020 < 0.001
 Ethnicity × mean OCT RNFL − 0.004 − 0.012 0.003 0.280
 Baseline age, per 10 years − 0.013 − 0.057 0.032 0.581
 Follow-up duration, per 1 year 0.030 0.011 0.048 0.002

CI confidence interval, OCT optical coherence tomography, RNFL retinal nerve fiber layer, SD standard deviation.

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