Table 4.
Univariate and multivariate regression analysis results for the association of the choroidal thickness with BMI and other clinical variables.
FCT (µm) | N 500 (µm) | N 1000 (µm) | N 1500 (µm) | T 500 (µm) | T 1000 (µm) | T 1500 (µm) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Correlation parameters | β | p | β | p | β | p | β | p | β | p | β | p | β | p |
Univariate linear regression | ||||||||||||||
BMI (kg/m2) | −0.85 | <0.001 | −0.83 | <0.001 | −0.80 | <0.001 | −0.72 | <0.001 | −0.83 | <0.001 | −0.81 | <0.001 | −0.80 | <0.001 |
IOP (mmHg) | −0.70 | <0.001 | −0.66 | <0.001 | −0.69 | <0.001 | −0.62 | <0.001 | −0.65 | <0.001 | −0.63 | <0.001 | −0.59 | <0.001 |
Age (years) | −0.06 | 0.54 | −0.02 | 0.82 | 0.01 | 0.93 | 0.03 | 0.76 | −0.08 | 0.44 | −0.09 | 0.36 | −0.09 | 0.37 |
Refraction (D) | −0.07 | 0.47 | −0.07 | 0.47 | −0.11 | 0.29 | −0.13 | 0.18 | −0.08 | 0.44 | −0.08 | 0.43 | −0.04 | 0.68 |
Axial length (mm) | 0.04 | 0.67 | 0.01 | 0.89 | 0.02 | 0.81 | 0.04 | 0.70 | 0.01 | 0.94 | 0.01 | 0.94 | 0.04 | 0.72 |
CCT (µm) | 0.02 | 0.81 | 0.02 | 0.87 | 0.01 | 0.90 | 0.11 | 0.28 | 0.07 | 0.50 | 0.08 | 0.43 | 0.09 | 0.37 |
Multivariate linear regression | ||||||||||||||
BMI (kg/m2) | −0.73 | <0.001 | −0.75 | <0.001 | −0.64 | <0.001 | −0.59 | <0.001 | −0.77 | <0.001 | −0.76 | <0.001 | −0.81 | <0.001 |
IOP (mmHg) | −0.16 | 0.05 | 0.77 | 0.24 | −0.21 | 0.02 | −0.17 | 0.10 | −0.08 | 0.37 | −0.07 | 0.46 | 0.01 | 0.90 |
Age (years) | ||||||||||||||
Refraction (D) | ||||||||||||||
Axial length (mm) | ||||||||||||||
CCT (µm) |
Boldfaced values are statistically significant (p<0.05).
BMI, body mass index; CCT, Central corneal thickness; D, diopter; IOP, Intraocular pressure.