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Table 2 Descriptive statistics of the Index of Spatial Accessibility and of the Physician Population Ratio separately, by medical specialty and combined in a composite index – Department of Nord (expressed for 100,000 inhabitants)

From: Assessment of the spatial accessibility to health professionals at French census block level

  Index of spatial accessibility Physician population ratio
  Min Mean (Sda) Max Min Mean (Sda) Max
General Practitioners 1 92.5 (35.1) 245 0 89. 3 (127.6) 2032
Midwives 0 21.6 (11.1) 49 0 21.0 (101.2) 1344
Gynecologists 0 20.7 (8.6) 41 0 21.5 (112.1) 2441
Composite indexb 0,42 39.41 (13.9) 92 0 38.1 (74.5) 1120
  1. aStandard deviation
  2. bComposite index resulting from the first component explaining 80 % of total variability obtained with principal component analysis