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Table 2 Knowledge, perception and opinions towards the generic (2011)

From: Perception and attitude of Korean physicians towards generic drugs

Variables

 

Answer

N

%

Knowledge

BE criteriaa

Not informed at all

12

3.3

A little informed

53

14.7

Moderately informed

228

63.2

Completely informed

68

18.8

Reliability

BE results

Not at all confident

3

0.8

Not very confident

79

21.9

Neutral

186

51.6

Very confident

90

24.9

Completely confident

3

0.9

Perceptions

Safety and effectiveness compared to original

Non-equivalent

192

53.2

Neutral

106

29.3

Equivalent

63

17.5

Main reasons for the negative recognition

Clinical experience

116

32

Confidence limit in BE test

94

26

Confidence limit in generic

94

26

Effect limit

32

9

Evidence limit

11

3

Others (minor opinion)*

14

4

Price

Low price

20

5.5

Accurate price

109

30.2

Over price

232

64.3

Opinions

Reasonable price of generic

Same price as original

11

3

80% of original

93

25.8

70% of original

95

26.3

60% of original

85

23.5

Less than 50% of original

77

21.3

Factors associated with the generic substitution

(subjective response)

Same equivalent effects and safety as the original

316

87.5

Confidence of the pharmaceutical company

34

9.4

Drug price

8

2.2

Pharmaceutical marketing activity

2

0.6

Hospital policy

1

0.3

Factors to improve the generic prescription

(multiple response b)

Quality maintenance of generic

261

32.6

BE confidence recovery

216

26.9

Disclosure of the BE results

193

24

Price cut

88

10.9

Incentive policy

41

5

Others

5

0.6

Prescription behavior

If generic quality would be improved

Switch to the generic

305

84.4

No change

53

14.7

Switch to the original

3

0.9

  1. The BE test states that two treatments are not different from one another if the 90% confidence interval of the ratio of a log-transformed exposure measure (AUC and/or Cmax) falls completely within the range 80-125%
  2. aBE criteria in south Korea MFDA
  3. bRespondents could choose several options