Multivariate analysis of cognitive status and associated risk variables
| Cognitive status | Risk variable | OR | 95% CI | P value |
| Cognitively impaired (T-MoCA <11/22) | NTG status | 2.6 | 1.1 to 6.7 | 0.034* |
| Hypertension | 1.7 | 1.0 to 2.8 | 0.038* | |
| Age | 1.0 | 1.0 to 1.1 | 0.29 | |
| Stroke history | 0.8 | 0.3 to 1.6 | 0.47 | |
| Diabetes mellitus | 1.2 | 0.6 to 2.4 | 0.56 | |
| Smoking history | 0.8 | 0.5 to 1.4 | 0.43 |
Logistic regression analysis investigating possible associations between NTG status, and systemic disease risk factors and an outcome of cognitive impairment (<11/22 T-MoCA score); *p<0.05.
NTG, normal-tension glaucoma; T-MoCA, Telephone Version of the Montreal Cognitive Assessment.