Table 2

Results of the titration studies according to each Auto CPAP device during the first titration night.

Auto CPAP device
Autoset Spirit
Remstar Auto
GK 420

CPAP usage (h)
6.2 ± 1.9 a
4.6 ± 2.4 a
5.9 ± 1.6 a
AHI (n/h)
8.0 ± 5.6 a
4.2 ± 3.1 b
2.9 ± 3.0 c
Max pressure (cm H2O)
11.1 ± 1.4 a
10.9 ± 2.4 a
11.5 ± 3.3 a
Median pressure (cm H2O)
7.4 ± 1.3 a
7.1 ± 1.8 a
5.7 ± 1.8 b
Recommended pressure level (cm H2O)
9.9 ± 1.2 a
9.6 ± 2.0 a
9.3 ± 2.9 a
Pressure variability
2.6 ± 0.9 a
1.8 ± 0.9 b
3.0 ± 1.9 ab

For a given variable (row), columns assigned with different letters denote statistically significant difference. Conversely, for a given variable, columns that are sharing a same given letter are not significantly different. Mean ± SD.

Sériès et al. Respiratory Research 2008 9:56   doi:10.1186/1465-9921-9-56