Usefulness of Home Overnight Pulse Oximetry in Patients with Suspected Sleep-Disordered Breathing
Table 2
Number and percentage of the subjects reporting each of the symptoms stratified by severity.
Symptom
No SAHS (n = 30)
Mild-to-moderate SAHS (n = 34)
Severe SAHS (n = 40)
value
Snoring (number, %)
27 (90%)
33 (97%)
38 (95 %)
0.468
Gasping (number, %)
4 (13, 3%)
4 (11, 8%)
12 (30%)
0.130
Witnessed apneas (number, %)
1 (3, 3%)
21 (61, 8%)
35 (87, 5%)
0 < 001≠
Nocturia (number, %)
15 (50%)
16 (47, 1)
26 (65%)
0.252
Unrefreshing sleep (number, %)
19 (63, 3%)
20 (58, 8%)
22 (55%)
0.784
Morning headaches (number, %)
6 (20%)
12 (35, 3%)
7 (17, 5%)
0.171
Excessive daytime sleepiness ‡ (number, %)
1 (3, 3%)
1 (2, 9%)
3 (7, 5%)
0.266
value of the Kruskal–Wallis test comparing subgroup classified for severity. ≠ value of no SAHS vs. severe SAHS groups. ‡ = Epworth sleepiness scale ≥15.