Table 4.
The Effect of Pigmentation on FLIO Lifetimes
| Area | A (n = 8) | B (n = 20) | C (n = 36) | P Value | |
|---|---|---|---|---|---|
| C | SSC | 114 ± 22 | 103 ± 19 | 102 ± 26 | 0.422 |
| LSC | 165 ± 23 | 153 ± 25 | 166 ± 23 | 0.137 | |
| IR | SSC | 182 ± 26 | 173 ± 30 | 166 ± 34 | 0.422 |
| LSC | 205 ± 22 | 195 ± 27 | 207 ± 19 | 0.148 | |
| OR | SSC | 209 ± 29 | 205 ± 36 | 197 ± 34 | 0.548 |
| LSC | 226 ± 21 | 218 ± 27 | 230 ± 17 | 0.132 | |
| Full grid | SSC | 200 ± 27 | 194 ± 36 | 187 ± 34 | 0.552 |
| LSC | 225 ± 26 | 211 ± 27 | 223 ± 17 | 0.106 | |
Analysis of variance of FLIO lifetimes from different areas of interest for the different subgroups: A (darkly pigmented), B (medium pigmented), and C (lightly pigmented). P values <0.05 are considered significant.
C, central; OR, outer ring; IR, inner ring; Full grid, full circle (all areas from standardized ETDRS grid); SSC, 498–560 nm; LSC, 560–720 nm.