Number of SDB symptoms
Variable	0 (N=42)	1 (N=29)	2 (N=14)	3 (N=9)	P-value
Age	68 (59–74)	70 (61–73)	72 (52–79)	67 (60–78)	0.67
Gender					0.013
Male	8 (19%)	15 (52%)	6 (43%)	5 (56%)
Female	34 (81%)	14 (48%)	8 (57%)	4 (44%)
BMI	27.0 (23.3–30.8)	29.2 (26.1–33.4)	31.3 (27.0–33.6)	32.9 (28.0–45.9)	0.010
Echo RVSP	68 (57–84)	74 (59–82)	69 (46–77)	74 (72–79)	0.71
Sytemic Hypertension	22 (52%)	19 (65%)	8 (57%)	6 (67%)	0.73
- P-values result from Kendall’s correlation coefficient tau or a Cochran-Armitage trend test.