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Table 1 Results of multivariate analysis

From: Analysis of patients’ request to switch from a generic drug to the original drug in external prescriptions

  n OR 95% CI P
Therapeutic category
 Agents affecting the central nervous systema 18,845 1.00   
 Cardiovascular agents 14,036 1.06 0.89–1.26 0.495
 Agents affecting respiratory organs 8237 0.57 0.44–0.74 < 0.001*
 Agents affecting digestive organs 25,773 0.93 0.80–1.09 0.376
 Agents for the epidermis 11,929 0.87 0.62–1.23 0.432
 Agents affecting metabolism 9767 0.85 0.67–1.08 0.185
 Agents against pathogenic organisms and parasites 12,373 0.29 0.22–0.39 < 0.001*
 Other agents 8336 0.63 0.47–0.84 0.002*
Dosage form
 Tablets and capsulesa 82,217 1.00   
 Powder, granules, and dry syrup 2321 0.81 0.51–1.26 0.347
 Liquid medicine 3017 0.80 0.57–1.14 0.213
 Liniments and patches 16,110 1.49 1.11–2.00 0.009*
 Other external drugs 5631 0.82 0.59–1.15 0.260
  1. CI confidence interval; OR odds ratio
  2. aReference category
  3. * Indicates significance at P = 0.05