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Table 1 The monthly-province level population characteristics; 2014-2018 (N=15729)

From: Physician induced demand for knee replacement surgery in Iran

Years 2014 2015 2016 2017 2018 Growth rate
Statistics Mean (SE) Mean
N 11.03 (2.59) 12.48 (2.66) 14.83 (2.71) 16.27 (3.05) 18.19 (3.19) 64.91%
Pn 1759.54 (75.02) 1793.20 (68.39) 1810.49 (77.04) 1884.47 (61.36) 1940.19 (55.51) 10.27%
Pp 0.19 (0.02) 0.23 (0.02) 0.26 (0.02) 0.32 (0.02) 0.37 (0.02) 94.74%
Pph 1.39 (0.05) 1.44 (0.05) 1.53 (0.05) 1.65 (0.06) 1.88 (0.06) 35.25%
  1. N number of KRS at monthly-province level, Pn cost of each surgery, Pp number of the surgery per 100,000 population, Pph number of the surgery per active physician