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Table 5 Ophthalmologist supply of the top 10% and bottom 10% of the secondary tiers of medical care (STMs)

From: Influence of Japan’s 2004 postgraduate training on ophthalmologist location choice, supply and distribution

  1998 2000 2002 2004 2006 2008 2010 2012
Top 10% (n = 35)
# of Ophthalmologistsa 4321 4538 4680 4555 4381 4430 4342 4635
Total population 27,674,836 28,101,936 28,811,684 28,093,204 27,631,756 27,408,660 26,493,008 28,386,764
Densityb (A) 0.16 0.16 0.16 0.16 0.16 0.16 0.16 0.16
Bottom 10% (n = 35)
# of Ophthalmologistsa 86 100 108 109 102 99 126 101
Total population 3,395,909 3,544,457 3,539,238 3,618,177 3,430,603 3,333,489 3,922,762 3,195,039
Densityb(B) 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Ratioc(A/B) 6.17 5.72 5.32 5.38 5.33 5.44 5.10 5.17
Differenced(A-B) 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13
  1. aNumber of ophthalmologists
  2. bNumber of ophthalmologists per population
  3. cRatio in ophthalmologist density
  4. dDifference in ophthalmologist density