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Br J Ophthalmol 86:1262-1264 doi:10.1136/bjo.86.11.1262
  • Scientific correspondence

Relation between perceived driving disability and scores of vision screening tests

Table 2

Correlation between perceived driving disability scores and scores of general health, general vision, near vision and distance vision domains

PDDN PDDU General health GH General vision GV Near vision NV Distance vision DV
PDD
    Corr coeff 0.48 0.36 0.273 0.489 0.65 0.829
    p Value <0.001 <0.001 0.008 <0.001 <0.001 <0.001
PDDN
    Corr coeff 0.272 0.173 0.065 0 0.165
    p Value 0.01 0.104 0.542 0.999 0.12
PDDU
    Corr coeff 0.085 0.132 0.346 0.314
    p Value 0.424 0.213 0.001 0.003
General health
    Corr coeff 0.494 0.383 0.297
    p Value <0.001 <0.001 0.004
General vision
    Corr coeff 0.647 0.499
    p Value <0.001 <0.001
Near vision
    Corr coeff 0.849
    p Value <0.001

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