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Table 3 Cost-benefit analysis of prescription intervention by pharmacists

From: Clinical and economic impact of pharmacist interventions on sampled outpatient prescriptions in a Chinese teaching hospital

  2011 2012 2013 2014 2015 2016
Hourly salary (Dollar) 4.10 4.66 5.22 5.75 6.31 6.47
Total pharmacist time (Hour) a 1216 1216 1216 1216 1216 1216
Time for reviewing and contacting (Hour) (4 h per working day*250 working days per year) 1000 1000 1000 1000 1000 1000
Time for summarizing and analyzing (Hour) (16 h per month *12 months per year) 192 192 192 192 192 192
Time for education (Hour) (2 h per month *12 months per year) 24 24 24 24 24 24
Total cost of pharmacist time (Dollar)b 4984 5666 6352 6987 7673 7868
Total cost of inappropriate prescriptions (Dollar)c 43,500 36,718 29,627 15,354 8723 8978
Direct benefit-to-cost ratio d 8.73 6.48 4.66 2.20 1.14 1.14
  1. aTotal pharmacist time = (Time for reviewing and contacting) + (Time for summarizing and analyzing) + (Time for education);
  2. bTotal cost of pharmacist time = (Total pharmacist time)* (Hourly salary);
  3. cTotal cost of inappropriate prescriptions = the sum of costs of all inappropriate items;
  4. dDirect benefit-to-cost ratio = (Total cost of inappropriate prescriptions)/(Total cost of pharmacist time);
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