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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