Table 3.

Correlation between TNF-α level and other clinical variables

Variables	R	p-value
Age	0.124	0.155
Intraocular pressure	−0.197	0.179
Cup-to-disc ratio	−0.031	0.836
Number of antiglaucoma medications	−0.285	0.042

Note: R, Spearman’s correlation coefficient.

Abbreviation: TNF-α, tumor necrosis factor alpha.