Bivariate analysis | Multivariate logistic regression | ||||
---|---|---|---|---|---|
Characteristics | Proportion with transfusion | P-value | Odds ratio | 95% Confidence Interval | P-value |
Male (ref: female) | 20% males, 20% females | 0.86 | 0.89 | 0.51-1.56 | 0.69 |
Race (ref: Caucasian) | 14% | 0.054 | |||
African American | 25% | 1.45 | 0.80-2.61 | 0.22 | |
Other minority race | 27% | 1.80 | 0.48-6.68 | 0.38 | |
Age (ref: < 65 years) | 19% | 0.95 | |||
Age 65-74 years | 20% | 0.98 | 0.47-2.07 | 0.96 | |
Age ≥ 75 years | 21% | 1.20 | 0.60-2.37 | 0.61 | |
Prior transfusion (ref: no prior transfusion) | 38% yes, 19% no | 0.09 | 1.05 | 0.39-2.84 | 0.92 |
Prior nephrologist visit (ref: no prior nephrologist visit) | 19% yes, 23% no | 0.31 | 0.99 | 0.56-1.75 | 0.98 |
Prior hospitalization (ref: no prior hospitalization) | 33% yes, 7% no | < 0.0001 | 5.64 | 2.90-10.96 | < 0.0001 |
Comorbid conditions within 6 months prior to index date | |||||
Diabetes | 19% yes, 22% no | 0.38 | 0.83 | 0.47-1.45 | 0.51 |
Peripheral vascular disease | 29% yes, 18% no | 0.053 | 1.79 | 0.90-3.54 | 0.09 |
Cardiovascular disease | 24% yes, 18% no | 0.14 | 1.02 | 0.56-1.83 | 0.96 |