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. Author manuscript; available in PMC: 2007 Oct 1.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2006 Sep;47(9):3896–3903. doi: 10.1167/iovs.05-0469

Table 4.

Relating POAG Onset to IOP_ASYM in the Total OHTS Data Set

Variable P Risk Ratio 95% CI
IOP_ASYM 0.0004 1.21 1.09–1.34
IOP <0.0001 1.24 1.13–1.36
TRT <0.0001 0.48 0.34–0.67

Model also adjusts for treatment (TRT), intraocular pressure (IOP), and IOP asymmetry (IOP_ASYM).