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Br J Ophthalmol 85:956-961 doi:10.1136/bjo.85.8.956
  • Original Article
    • Clinical science

Optic disc changes following trabeculectomy: longitudinal and localisation of change

Table 4

Linear regression coefficients for factors age, preoperative mean deviation (MD) and change in IOP

At 3 months
 Factor Rim area Rim volume Max cup depth
Age −0.068 −0.126 −0.022
Preop MD 0.031 −0.090 −0.048
ΔIOP at 3 months −0.186 0.025 0.354
At 1 year
Age −0.181 −0.160 0.192
Preop MD −0.035 0.010 −0.021
ΔIOP at 1 year −0.445 −0.250 . . . −0.415
At 2 years
Age −0.262 −0.217 0.081
Preop MD 0.014 0.060 −0.105
ΔIOP at 2 years −0.452 −0.260 . . . −0.400

  • ↵Difference significance to predefined level p<0.001;

  • significance at p<0.05 level.

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