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Stratos LV/LV-T Technical Manual 37
Table 8: Composite of Six Minute Walk Test and QOL
(Effectiveness)
Category
CRT (Group 1 & 2)
(N = 53)
Mean ± SE
RV only
Group 3
(N = 15)
Mean ± SE
p value
(student’s
t-test,
2-sided)
Distance Walked
at Baseline
262.8 ± 13.7 288.5 ± 22.4 0.369
*
Distance Walked
at Six-Months
312.8 ± 14.6 345.8 ± 30.0 0.303
*
∆ Distance
Walked (meters)
50.0 ± 12.2 57.2 ± 26.7 0.790
*
∆ Distance
Walked (%)
39.0% ± 13.1%
25.7% ±
15.0%
0.610
*
QOL Score at
Baseline
58.5 ± 2.9 49.3 ± 5.5 0.137
*
QOL Score at
Six-Months
30.1 ± 3.2 27.7 ± 6.5 0.731
*
∆ in QOL Score
28.4 ± 3.4 21.6 ± 7.7 0.367
*
∆ in QOL Score
(%)
47.4% ± 5.1%
40.4% ±
11.1%
0.537
*
Composite Rate 43.2% ± 7.7%
33.0% ±
12.3%
0.525
*
*
p value is provided for informational purposes to show trends only; clinical
significance is not indicated by p values for analyses that were not prespecified.