Results of multivariable regression analysis for identifying factors associated with current subspecialty certification among radiologists with a majority-neuroradiology practice
| Reference | Criterion | Odds Ratio | 95% CI | P |
|---|---|---|---|---|
| Nonacademic | Academic | 2.82 | 2.27–3.50 | <.001 |
| <10 Members | 10–49 members | 2.03 | 1.48–2.80 | <.001 |
| <10 Members | 50–99 members | 2.51 | 1.77–3.55 | <.001 |
| <10 Members | 100+ members | 1.94 | 1.40–2.70 | <.001 |
| West | Midwest | 1.65 | 1.30–2.09 | <.001 |
| West | Northeast | 1.63 | 1.29–2.06 | .022 |
| West | South | 1.45 | 1.18–1.80 | <.001 |
| ≥51 yr | ≤10 yr | 2.81 | 1.16–6.81 | <.001 |
| ≥51 yr | 11–20 yr | 6.12 | 2.61–14.38 | <.001 |
| ≥51 yr | 21–30 yr | 4.08 | 1.81–9.20 | <.001 |
| ≥51 yr | 31–40 yr | 3.44 | 1.53–7.72 | .003 |
| ≥51 yr | 41–50 yr | 1.72 | 0.73–4.02 | .214 |
| Lifetime primary | Time-limited primary | 1.41 | 1.06–1.88 | .017 |