Table 1.

Baseline Characteristics of subjects

	BE/No OSA (N=36)	BE/OSA (N=74)	No BE/OSA (N=78)	No BE/No OSA (N=74)	p-value
Mean(SD) Age (y)	58(13)	64(11)	64(12)	57(17)	*
Male gender, N (%)	25(69%)	58(78%)	56(72%)	52(70%)	*
Mean(SD) BMI	30(5)	33(8)	32(6)	31(7)	*
Caucasian race, N (%)	32/32(100%)	70/72(97%)	76/77(99%)	70/71(99%)	0.91
GERD on acid-suppression medication, N (%)	21(58%)	56(76%)	39(50%)	32(43%)	<0.001
Smoking History, N (%)	23/36(64%)	54/73(74%)	51/76(78%)	44/74(59%)	0.31

^*Subjects matched on age, gender and BMI at time of polysomnogram