Table 2: Associations between individual sleep disordered breathing symptoms and overnight oximetry test result

Overnight oxymetry test result
SDB symptom Normal (N=54) Low baseline oxygen (N=23) Abnormal (N=17) P-value
Snoring 24 (44%) 11 (48%) 15 (88%) 0.004
Excessive daytime sleepiness 8 (15%) 4 (17%) 10 (59%) < 0.001
Witnessed sleep apnea 5 (29%) 0 (0%) 5 (29%) 0.28
- P-values result from Kendall’s correlation coefficient tau or a Cochran-Armitage trend test.