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Table 1 Descriptive statistics

From: The distribution and transitions of physicians in Japan: a 1974–2004 retrospective cohort study

   1974 1984 1994 2004
Number of physicians Total 125 249 178 197 227 775 270 353
  Hospitals 54 005 100 018 142 309 170 386
  Clinics 65 099 70 662 76 596 92 982
Number per 100 000 population   113 148 182 212
Working at hospitals (%)   43 56 62 63
Female (%)   9 10 13 17
Working in rural areas (%)   14 14 13 11
Average age (± SD) Total 47.6 (14.0) 46.9 (14.9) 46.7 (15.4) 47.8 (15.2)
  Hospital-based physicians 40.4 (14.5) 39.4 (12.5) 40.2 (13.2) 42.0 (12.6)
  Office-based physicians 53.2 (10.4) 57.0 (11.2) 58.1 (12.3) 57.5 (13.8)