Overall | Chinese | Malays | Indians | P (Chinese vs Malays) | P (Chinese vs Indians) | P (Malays vs Indians) | ||||
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Model 1 | Model 2 | Model 1 | Model 2 | Model 1 | Model 2 | |
Overall average macula (µm) | 276.1 (13.4) | 279.9 (12.5) | 276.5 (13.7) | 272.4 (13.1) | 0.003 | 0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Central subfield macula (µm) | 246.7 (21.4) | 249.9 (21.3) | 245.9 (21.2) | 244.3 (21.3) | 0.042 | 0.030 | <0.001 | <0.001 | 0.034 | 0.096 |
Average inner macula (µm) | 313.8 (16.7) | 318.3 (15.6) | 313.6 (16.6) | 309.8 (16.7) | 0.001 | 0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Average outer macula (µm) | 272.5 (13.8) | 276.4 (13.0) | 273.0 (14.1) | 268.6 (13.4) | 0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Model 1: Adjusted for age, gender, ethnicity, diabetes mellitus, total cholesterol level, chronic kidney disease, axial length, corneal curvature, presence of cataract and signal strength.
Model 2: Adjusted for same set of covariates as model 1, but only evaluated among subjects aged between 50 and 80 years old.