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. 2004 Oct;138(4):684-5.
doi: 10.1016/j.ajo.2004.05.030.

Baseline risk factors for the development of primary open-angle glaucoma in the Ocular Hypertension Treatment Study

Anne L Coleman  1 , Mae O Gordon, Julia A Beiser, Michael A Kass; Ocular Hypertension Treatment Study
Affiliations

Baseline risk factors for the development of primary open-angle glaucoma in the Ocular Hypertension Treatment Study

Anne L Coleman et al. Am J Ophthalmol. 2004 Oct.

Abstract

Purpose: Higher baseline pattern standard deviation (PSD) and larger vertical cup-to-disk ratio (VC/D) were factors in the predictive model for the development of primary open-angle glaucoma (POAG) in the Ocular Hypertension Treatment Study. Because early changes in PSD and VC/D may be indicative of early POAG damage, we repeated the prediction model excluding PSD and VC/D.

Design: Reanalysis of baseline factors for the development of POAG.

Methods: We compared the hazard ratios for baseline factors predictive of POAG in the multivariate Cox proportional hazards model that included PSD and VC/D and in the model that excluded them.

Results: Hazard ratios for baseline factors predictive of POAG in Ocular Hypertension Treatment Study were not substantially affected by the inclusion or exclusion of PSD and VC/D in the proportional hazards model.

Conclusion: Whether PSD or VC/D was included in the Cox proportional hazards model, the same baseline factors were statistically significant and their hazard ratios were essentially similar.

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