Table 3.

Factors associated with change of peripapillary vessel density.

	Angio vessel density (P value)
	Whole		Peripapillary		Nasal region		Temporal region
	Univariate	Multivariate	Univariate	Multivariate	Univariate	Multivariate	Univariate	Multivariate
Age (years)	0.187		0.082		0.239		0.124
Preoperative IOP (mmHg)	0.367		0.197		0.023	0.097	0.036	0.06
IOP reduction	0.028	0.084	0.05	0.178	0.024	0.09	0.05	0.073
Spherical equivalent	0.06		0.069		0.07		0.121
Central corneal thickness (µm)	0.436		0.236		0.057		0.372
Average RNFL thickness (µm)	0.227		0.476		0.109		0.162
Visual field MD (dB)	0.267		0.288		0.284		0.168