Table 3.
Factors Associated with Costliest 5% Recipients of Glaucoma Care Multivariable Logistic Regression Analysis
| Variable | ORa | 95% C.I.b | P-value |
|---|---|---|---|
| Region | |||
| Midwest vs. North East | 0.65 | (0.53, 0.78) | <0.0001 |
| South East vs. North East | 0.78 | (0.66, 0.93) | 0.0064 |
| West vs. North East | 0.81 | (0.64, 1.01) | 0.0639 |
| DR (NPDR or PDR)c (dxd in first 2 years) | 1.97 | (1.65, 2.34) | <0.0001 |
| AMDe (dx in first 2 years) | 1.38 | (1.15, 1.64) | 0.0004 |
| Cataract (surgery in first 2 years) | 1.59 | (1.31, 1.94) | <0.0001 |
| Pseudophakia/Aphakia (dx in first 2 years) | 1.87 | (1.59, 2.20) | <0.0001 |
| Age at enrollment (Per 5 year increments) | 0.91 | (0.88, 0.94) | <0.0001 |
a
OR - odds ratio;
b
C.I. - confidence interval
c
DR-diabetic retinopathy; NPDR-non-proliferative; PDR-proliferative
d
dx - diagnosis
e
AMD-age-related macular degeneration includes exudative or nonexudative macular degeneration
The following covariates were dropped from the model because they were not statistically significant at the p< 0.05 level: race, sex, level of education, household net worth, Charlson co-morbidity index score, and indicators for diabetes, hypertension, hyperlipidemia, dementia, and depression.