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Table 2 The characteristics of patients, doctor visits and ultrasound exams per patient, over 15 years

From: The use of ultrasound in primary care: longitudinal billing and cross-sectional survey study in Switzerland

  Patients Doctor visits US exams
n (%) Mean per patient (CI) n (%) Mean per patient (CI)
Overall 67′180 19.63 130′245 1.94 (1.93–1.95)
Sex
 Male 28′552 (43) 20.66 (20.41–20.92) 53′796 (41) 1.88 (1.86–1.90)
 Female 38′628 (57) 18.86 (18.63–19.09) 76′449 (59) 1.98 (1.96–1.99)
Age (years)
 18–39 18′564 (28) 12.58 (12.36–12.79) 34′600 (27) 1.86 (1.84–1.89)
 40–64 29′117 (43) 18.33 (18.09–18.57) 55′437 (42) 1.90 (1.89–1.92)
  ≥ 65 19′499 (29) 28.28 (27.89–28.67) 40′208 (31) 2.06 (2.04–2.09)
Morbidity
 1 morbidity 11′399 (17) 8.80 (8.64–8.96) 19′356 (15) 1.70 (1.67–1.72)
  > 1 morbidity 42′010 (63) 27.23 (26.99–27.46) 88′345 (68) 2.10 (2.08–2.12)
 Unknown morbidity 13′771 (20) 4.97 (4.86–5.08) 22′544 (17) 1.64 (1.62–1.66)
  1. US Ultrasound, CI Confidence Interval at 95% significance level