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Br J Ophthalmol 83:50-53 doi:10.1136/bjo.83.1.50
  • Original Article
    • Clinical science

Arterial blood flow characteristics in central retinal vein occlusion and effects of panretinal photocoagulation treatment: an investigation by colour Doppler imaging

Table 2

Results of statistical analyses for velocimetry measurements and resistivity indexes

Ophthalmic artery Central retinal artery
PSV EDV RI PSV EDV RI
Is CRVO—fel† p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Is CRVO—after PRP† p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Is CRVO—non-is CRVO‡ p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Non-is CRVO—fel† p>0.05 p>0.05 p>0.05 p>0.05 p>0.05 p>0.05
Non-is CRVO—controls‡ p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Is CRVO—controls‡ p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Fel Is CRVO—controls‡ p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Fel Non-is CRVO—controls‡ p<0.05 p<0.05 p<0.05 p<0.05 p<0.05 p<0.05
Fel Is CRVO—fel non-is CRVO‡ p>0.05 p>0.05 p>0.05 p>0.05 p>0.05 p>0.05

  • CRVO = central retinal vein occlusion; PRP = panretinal photocoagulation; Fel = fellow eyes; Is = ischaemic; non-is = non-ischaemic; †= statistical analyses were performed by using Wilcoxon matched pair signed rank test; ‡= statistical analyses were performed by using Mann–Whitney U test.

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