Table 5

Summary of Healthcare Utilization Events

    Hospitalizations

Percent of Subjects [95% CI]

(Number of Events)

    Emergency Room Visits

Percent of Subjects [95% CI]

(Number of Events)


Total Number of Subjects

BT

Control

p-valueb

BT

Control

p-valueb


Year 1

BT = 45

Control = 24

6.7% [0.0, 14.0]

(3)

0

0.55

4.4% [0.0, 10.5]

(2)

0

0.54

Year 2

BT = 45

Control = 24

6.7% [0.0, 14.0]

(3)

0

0.55

6.7% [0.0, 14.0]

(3)

12.5% [0.0, 25.7]

(3)

0.41

Year 3

BT = 43

Control = 21

2.3% [0.0, 6.8]

(3)

4.8% [0.0, 13.9]

(1)

1.00

4.7% [0.0, 10.9]

(3)

4.8% [0.0, 13.9]

(3)

1.00

Year 4 a

BT = 43

Control = 0

2.3% [0.0, 6.8]

(1)

--

9.3% [0.6, 18.0]

(6)

--

Year 5 a

BT = 42

Control = 0

2.4% [0.0, 7.0]

(1)

--

4.8% [0.0, 11.2]

(2)

--


a: Control group subjects exited from Study after Year 3 evaluations.

b: p-value from Fisher's Exact test.

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

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