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. 2019 Dec 30;14(12):e0227078. doi: 10.1371/journal.pone.0227078

Table 4. Multiple regression analysis of independent variables affecting acceleration time index in the study groups.

Variable
Dependent		 Independent β p Value
ATI (AU) Age (years) -0.02 0.90
IOP (mmHg) -0.04 0.80
CpRNFLT (μm) -0.34 0.13
MD (dB) 0.41 0.09
Redox index -0.34 0.04

β is the standard partial regression coefficient.

ATI, acceleration time index; AU, arbitrary unit; IOP, intraocular pressure; CpRNFLT, circumpapillary retinal nerve fiber layer thickness; MD, mean deviation; Redox index, the log GSH/GSSG ratio.