Table 4:

Distribution of neuroradiology subspecialty certification statuses among majority-practice neuroradiologists with varying characteristicsa

No.Currently Subspecialty CertifiedPreviously Subspecialty CertifiedNever Subspecialty Certified
Academic status
    Nonacademic136458.2%9.1%32.7%
    Academic81181.3%5.1%13.5%
Group practice size
    <1013236.1%15.6%48.4%
    10–4962363.2%9.5%27.3%
    50–9935669.4%6.4%24.2%
    ≥100106472.1%5.5%22.4%
Geographic region
    Midwest50570.6%6.0%23.4%
    Northeast56369.8%8.2%22.1%
    South67464.1%9.4%26.5%
    West43356.5%7.4%36.1%
Years in practice
    ≤1014963.4%0.0%36.6%
    11–2093677.5%0.1%22.4%
    21–3054465.0%6.0%29.0%
    31–4041459.1%17.6%23.3%
    41–507343.7%26.3%29.9%
    ≥511031.3%34.4%34.4%
Primary certificate
    Lifetime82854.9%17.4%27.7%
    Time-limited134773.5%0.1%26.4%
  • a Cells in rows add up to 100%. Columns 1 and 2 in this table reflect subsets of columns 1 and 2 in Table 2; column 3 in this table reflects the same neuroradiologists as in column 3 of Table 2.