| |
Total (N = 103)
|
With SA (N = 75)
|
Without SA (N = 28)
|
p value
|
|---|
|
AHI (n/h)
|
10.4 (4.6-30.5)
|
17.6 (9.3-42.5)
|
1.9 (0.6-4.1)
|
< 0.001
|
|
Total sleep time (TST, min)
|
246.0 (189.5-333.0)
|
246.2 (189.5-334.0)
|
222.0 (131.5-301.5)
|
0.34
|
|
Sleep (% TST)
| | | | |
|
Stage 1
|
15.5 (10.0-23.4)
|
17.5 (12.7-27.4)
|
11.6 (5.4-15.3)
|
< 0.001
|
|
Stage 2
|
60.4 (49.8-71.2)
|
60.4 (50.3-72.0)
|
60.9 (46.6-70.4)
|
0.58
|
|
Stages 3 and 4
|
10.9 (1.0-20.3)
|
6.9 (0.3-15.1)
|
19.3 (13.4-31.5)
|
< 0.001
|
|
REM
|
8.0 (3.1-12.7)
|
8.4 (3.8-13.1)
|
6.4 (0.0-10.9)
|
0.17
|
|
NREM
|
92.1 (87.4-97.2)
|
91.6 (87.1-96.4)
|
93.6 (89.100.0)
|
0.22
|
|
Arousals (n/h)
|
6.1 (3.1-10.4)
|
7.2 (4.0-11.0)
|
3.8 (1.0-7.3)
|
0.02
|
|
Mean SO2 (%)
|
93.0 (91.0-95.0)
|
93.0 (90.0-94.0)
|
94.0 (92.0-96.0)
|
0.02
|
|
Lowest SO2 (%)
|
81.0 (76.0-85.0)
|
81.0 (71.2-85.0)
|
85.0 (79.0-88.0)
|
0.006
|
|
SO2 < 90% (% TST)
|
7.7 (2.0-27.6)
|
15.6 (3.7-39.8)
|
2.0 (0.2-6.2)
|
< 0.001
|
- AHI- apnoea-hypopnoea index; SO2- oxyhemoglobin saturation.
- Continuous data are expressed as median and interquartile range.
