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Table 1 Purposive sampling matrix of patients for semi-structured interviews

From: Development of a core outcome set (COS) and selecting outcome measurement instruments (OMIs) for non-valvular atrial fibrillation in traditional Chinese medicine clinical trials: study protocol

Age (years)

Sample size

Gender

AF classification

Treatment history

Anticoagulant treatment

Male

Female

Paroxysmal

Persistent

Permanent

Surgery

Pacemaker

Western medicine

Chinese herbal medicine

Anticoagulant

Non-anticoagulant

50–59

10

5

5

4

3

3

2

2

3

3

5

5

60–69

10

5

5

4

3

3

2

2

3

3

5

5

70–79

10

5

5

4

3

3

2

2

3

3

5

5

  1. AF atrial fibrillation