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. 2011 Feb 11;11:8. doi: 10.1186/1471-2466-11-8

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.