Detection of Secondary Causes and Coexisting Diseases in Hypertensive Patients: OSA and PA Are the Common Causes Associated with Hypertension

Table 3

Detection of top three secondary causes of hypertension in 3003 patients stratified via gender, age, and BMI.

Group	OSA	PA	RPD
	Gender
Male	556 (34.8)	85 (5.3)	37 (2.3)
Female	186 (13.2)	90 (6.4)	17 (1.2)
	<0.001	0.02	0.02
Age group
Age < 45	279 (30.2)	64 (6.9)	39 (4.2)
45 ≤ age < 65	399 (26.9)	98 (6.6)	10 (0.7
Age ≥ 65	64	13	5
	<0.001	<0.001	<0.001
Obese status
BMI < 24	57 (8.6)	49 (7.4)	20 (3.0)
24 ≤ BMI < 28	293 (23.6)^♀	81 (6.5)	22 (1.8)
BMI ≥ 28	392 (35.7)^&♮	46 (4.2)^&♮	12 (1.1)^&
	<0.001	0.01	0.01

: age < 45 versus age ≥ 65 group; ^&: BMI < 24 versus BMI ≥ 28 group; ^#: 45 ≤ age < 65 versus age ≥ 65 group; ^♮: 24 ≤ BMI < 28 versus BMI ≥ 28 group; : age < 45 versus 45 ≤ age < 65 group; ^♀: BMI < 24 versus 24 ≤ BMI < 28 group; PA, primary aldosteronism; OSA, obstructive sleep apnea; RPD, renal parenchymal disease.