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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: Am J Ophthalmol. 2018 May 9;191:140–148. doi: 10.1016/j.ajo.2018.04.021

Table 2:

Association ßPPA surface area with age, ocular parameters and glaucoma diagnosis: Univariate and Multivariable Analysis (n = 226)

Univariate Multivariable
Variable Coefficient (95% Confidence Interval) p value R2 Coefficient (95% Confidence Interval) p Value R2
Age 0.003 (0.000 – 0.006) 0.043 2.2 0.000 (−0.002 – 0.002) 0.879 36.9
AL 0.093 (0.072 – 0.115) <0.001 30.1 0.079 (0.057 – 0.100) <0.001
CCT −0.000 (−0.000 – 0.000) 0.838 0.0 0.000 (−0.000 – 0.000) 0.328
BMO Area 0.065 (0.003 – 0.126) 0.038 2.4 0.048 (0.000 – 0.097) 0.052
IOP −0.006 (−0.015 – 0.002) 0.841 1.0 −0.003 (−0.008 – 0.002) 0.246
Diagnosis (1=glaucoma 0=healthy) 0.187 (0.127 – 0.248) <0.001 17.0 0.100 (0.041 – 0.158) 0.001

ßPPA = beta parapapillary atrophy; AL = Axial length; CCT = Central corneal thickness; IOP = Intraocular pressure.