A Comparison of Two Nights of Ambulatory Sleep Testing in Arrhythmia Patients
Table 2
Respiratory and other sleep parameters for the study sample during first night of ambulatory sleep testing.
Total ()
OSA ()
Non-OSA ()
Difference
AHI/h
19.55 ± 17
22.90 ± 16.64
2.34 ± 2
Supine AHI/h
24 ± 26.96
27.74 ± 27.81
5.20 ± 8.52
Non-supine AHI/h
15.56 ± 17.80
18.38 ± 18.15
1.07 ± 1.43
REM AHI/h
25.67 ± 24.42
30.08 ± 24.37
3.32 ± 3.5
NREM-AHI/h
18.18 ± 17
21.30 ± 16.88
2.17 ± 1.90
Minimum Saturation (%)
81 ± 13.3
79.67 ± 14
88.15 ± 3.3
Average nocturnal heart rate bpm
61.81 ± 12.81
62.26 ± 13.34
59.53 ± 9.71
Arousal Index/h
15.41 ± 8.62
15.66 ± 9
12.46 ± 5.86
PLMS (count)
50.23 ± 96.65
51.46 ± 93.24
43.93 ± 116
PLMS Index/h
10.20 ± 18.64
10.98 ± 19.27
6.20 ± 14.91
Values are expressed as mean ± SD. Nonparametric Mann-Whitney test was used to compare means of groups. indicates significance. AHI: apnea-hypopnea-index; = number; OSA: obstructive sleep apnea; REM: rapid eye movement; h: hour; bpm: beat per minute; PLMS: periodic limb movements in sleep.
