Table 3.: Anthropometric and Sleep Parameters According to the Presence or Absence of Symptoms of Anxiety or Depression

SDB and Anxiety or Depression n=216 SDB and No Anxiety or Depression n=166 P Value
Age, y;* 49.7 [13.6] 52.3 [13.3] 0.05
Male; n [%] 95 [44] 115 [70] 0.008
Diagnosis of arterial hypertension; n [%]** 117 [54.1] 87 [52.4] 0.73
Epworth Sleepiness Scale, * 14.5 [7] 11 [6.4] < 0.001
Self-reported sleep time, hours;*  7 [1.6] 7 [1.4] 0.48
Self-reported sleep latency, minutes;* 26 [28] 20 [21] 0.09
BMI, K/m2;* 34.8 [7.5] 33.1 [6.3] 0.02
Neck circumference, cm; * 42.3 [4.5] 42.6 [4] 0.51
Mean sleep SpO2, %;* 83.3 [9.8] 83.4 [8] 0.9
Minimum sleep SpO2, %;* 62.6 [16.9] 60.1 [15.8] 0.14
AHI or RDI, events/hr;* 55.7 [40] 52.2 [34.1] 0.37
Use of psychotropic drugs, n [%] 29 [13.4] 10 [6.0] 0.01

* Mean [SD]
** Previous diagnosis of high blood pressure, or currently taking antihypertensive drugs.
SDB, sleep-disordered breathing; BMI, body mass index; AHI, apnea/hypopnea index; SpO2, oxygen saturation; RDI, respiratory disturbances index.