Cognitive impairment in NTG and HTG cohorts
| Number of participants | T-MoCA score | NTG | HTG | ORs (95% CI) | P value |
| T-MoCA completed | 144 | 146 | |||
| Cognitively impaired | <11/22 | 21 (14.8%) | 8 (5.4%) | 2.2 (1.1 to 6.7) | 0.030* |
P values were determined by multivariate logistic regression using age, gender and ethnicity as covariates; * p < 0.05.
HTG, high tension glaucoma (maximum intraocular pressure ≥25 mm Hg); NTG, normal-tension glaucoma (maximum recorded intraocular pressure ≤21 mm Hg); T-MoCA, Telephone Version of the Montreal Cognitive Assessment.