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Br J Ophthalmol 86:209-213 doi:10.1136/bjo.86.2.209
  • Original Article
    • Clinical science

Choroidal perfusion perturbations in non-neovascular age related macular degeneration

Table 2

Area dilution analysis (mean (SD))

Parameter AMD Normal p Value
Mean of 10% filling time, six regions (seconds) 23.29 (5.53) 21.36 (3.60) 0.1876
Mean of 10% filling time, four perifoveal regions (seconds) 23.09 (5.51) 21.12 (3.52) 0.1742
Spread of 10% filling time, six regions (seconds) 2.19 (1.09) 1.74 (0.82) 0.1332
Spread of 10% filling time, four perifoveal regions (seconds) 1.81 (1.10) 0.85 (0.42) 0.0006
Mean of 63% filling time, six regions (seconds) 30.49 (9.61) 25.13 (3.92) 0.0231
Mean of 63% filling time, four perifoveal regions (seconds) 30.15 (9.32) 24.83 (3.87) 0.0202
Spread of 63% filling time, six regions (seconds) 2.99 (2.08) 1.93 (0.92) 0.0388
Spread of 63% filling time, four perifoveal regions 1.86 (1.05) 0.93 (0.60) 0.0010
Mean slope, six regions 0.083 (0.032) 0.097 (0.018) 0.0835
Mean slope, four perifoveal regions 0.084 (0.031) 0.104 (0.018) 0.0136
Spread slope, six regions 0.059 (0.023) 0.073 (0.028) 0.1002
Spread slope, four perifoveal regions 0.049 (0.019) 0.056 (0.023) 0.3029

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