Table 1. Visit Characteristics (n = 9863) by Levels of Practice Capitation
Visit CharacteristicsLevels of Capitated Payments
<25%25–50%51–75%>75%
Visits (n)8584582537160
Weighted n (in millions)347.115.219.47.1
Mean age of patients, years42.6 (39.6–45.5)39.0 (26.6–51.4)31.1 (9.5–52.6)40.0 (24.0–55.9)
Female (%)57.4 (55.4–59.4)46.7 (39.2–54.4)56.8 (48.1–65.1)67.0 (57.7–75.2)
Mean visits in past 12 months4.8 (4.5–5.1)4.4 (3.7–5.1)4.8 (3.1–6.5)3.7 (3.0–4.5)
Mean chronic illnesses managed1.4 (1.2–1.5)1.4 (0.8–2.0)1.2 (0.1–2.3)1.7 (0.9–2.4)
Mean medications managed2.9 (2.6–3.2)2.7 (2.0–3.3)2.5 (1.2–3.9)2.8 (2.0–3.6)
Patients seen before in the practice97.0 (96.4–97.6)96.2 (92.9–98.0)97.4 (97.4–98.8)93.8 (87.1–97.1)
    Medicare/private insurance as expected source of payment83.0 (78.8–86.5)83.2 (67.9–92.0)58.7 (32.6–86.7)79.4 (56.0–90.2)
  • Values are percentage estimates (95% confidence intervals) unless otherwise indicated. Data are taken from the 2009 National Ambulatory Medical Care Survey.