Obstructive sleep apnea in combat-related posttraumatic stress disorder: a controlled polysomnography study

Deceased.

Figures & data

Table 1. Demographic characteristics

	PTSD (n = 20)	TC (n = 24)	HC (n=17)	Comparison
Age (M, SD)	40.75 (8.45)	37.71 (6.91)	35.06 (8.26)	df = 60, F=2.5, p=0.095
Alcohol intake (M, SD)	7.50 (8.00)	5.33 (7.07)	7.29 (5.28)	df=60, F=0.96, p=0.391
BMI (M, SD)	27.86 (4.86)	24.64 (2.90)	23.65 (2.42)	df = 53, F = 6.7, p=0.003^*
CAPS (M, SD)	67.50 (11.02)	4.00 (5.11)	0 (0)	df=60, F= 571.0, p<0.001
Number of A1 trauma (M, SD)	8.92 (2.18)	7.24 (2.91)	1.93 (1.49)	df=60, F=36.3, p<0.001^**

Notes: BMI, body mass index; HC, healthy controls; M, mean; PTSD, posttraumatic stress disorder; SD, standard deviation; TC, trauma controls.

^*PTSD >TC, (p=0.036); PTSD > HC, (p=0.006); TC = HC, (p=1.0).

^**PTSD =TC, (p=0.16); HC < PTSD, (p<0.001); HC < TC, (p<0.001).

Figure 1.  Relationship between apnea hypopnea index and PTSD severity. Notes: AHI, apnea hypopnea index; CAPS, clinician-administered PTSD scale; PTSD, posttraumatic stress disorder.