Table 1.

Results of multivariate analysis of factors associated with rate of progression not including treatment parameters.

Variable	Reference	Slope	Significance
Age	N/A	−0.019	0.000
Mean IOP	N/A	−0.036	0.001
IOP range*	<12 mmHg	−0.256	0.000
MD*	Worse than −10.03 dB	−0.175	0.009
PEX syndrome†	No	−0.071	0.206
Gender	Male	0.078	0.250

IOP, intraocular pressure; MD, mean deviation.

^*Divided by median split.

^†Yes/no.