A Comparison of Two Nights of Ambulatory Sleep Testing in Arrhythmia Patients
Table 1
Sleep macro-architecture for the study sample during first night of ambulatory recording.
Total ()
OSA ()
Non-OSA ()
Difference
Sleep Onset Latency (min)
45.3 ± 50
48 ± 54
32.6 ± 20
Sleep Efficiency (%)
72 ± 18.3
70 ± 19
81 ± 12.4
Stage 1 (%)
5.3 ± 6
5.4 ± 6
Stage 2 (%)
59.6 ± 14.4
61 ± 14
52.7 ± 14.5
Stage 3 (%)
11 ± 10.7
9.8 ± 9.9
17.1 ± 13
Stage 4 (%)
4.5 ± 8.2
3.8 ± 7.6
8 ± 10.4
REM (%)
18 ± 9.4
18 ± 9.8
18.7 ± 7.5
REM Latency (min)
102.3 ± 65.6 ()
97 ± 57.8 ()
128 ± 93.5 ()
Values are expressed as mean ± SD. Nonparametric test was used to compare means of groups. indicates significance. = number; OSA: obstructive sleep apnea; REM: rapid eye movement.
