Table 1

Number of Subjects Evaluated Annually out to 5 Years

Subjects Completing 1 Year Follow-up in AIR Trial

Subjects Enrolling for Longer-Term Follow-up

Subjects Completing Follow-up


Year 2

Year 3

Year 4

Year 5


BT

52

45

41a

41b

43

42c

Control

49

24

23d

21e

-

-


a: 4 subjects missed visit.

b: 2 subjects missed visit; 1 subject withdrew consent; 1 subject Lost-to-Follow-up.

c: 1 subject missed visit.

d: 1 subject missed visit.

e: 2 subjects withdrew consent after completing Year 2 evaluation, and 1 subject withdrew consent mid-Year 3.

Control group subjects exited from study after completing Year 3 evaluation.

Thomson et al. BMC Pulmonary Medicine 2011 11:8   doi:10.1186/1471-2466-11-8

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