Pack–year history | FAZ (mm2) | FD (%) | SCP | DCP | FRT |
|---|
whole (%) | foveal (%) | para- foveal (%) | whole (%) | foveal (%) | para- foveal (%) | full- layer (mm) | inner (mm) | outer (mm) |
|---|
r | -0.055 | -0.023 | -0.053 | 0.096 | 0.016 | -0.109 | 0.039 | -0.224** | -0.033 | 0.030 | 0.021 |
P value | 0.529 | 0.318 | 0.541 | 0.270 | 0.856 | 0.210 | 0.658 | 0.009 | 0.705 | 0.732 | 0.813 |
- Abbreviations: FAZ Foveal avascular zone, FD Foveal density in a 300 μm region around FAZ, SCP Superficial capillary plexuses, DCP Deep capillary plexuses, FRT Fovea retinal thickness. *, **, ***indicate that they are statistically significant on 10%, 5%, 1% respectively; r is the correlation coefficient, r > 0 means there is a positive correlation between the two variables, r < 0 means that the two variables are negatively correlated, and r = 0 means that the two variables are zero related. | r | the closer to 1, the higher the correlation between the two variables
