The clinical characteristics of patients with pulmonary hypertension combined with obstructive sleep apnoea

BMC Pulmonary Medicine

Table 1 Baseline characteristics and 6MWD of all patients

Variable	All patients	IPAH	CTD-PAH	CHD-PAH	Pulmonary disease or low oxygen	CTEPH	unknown mechanisms PH
Number of patients	140	40	13	25	25	20	17
Age (years)	39.5 ± 13.55	30.95 ± 8.91	41.69 ± 11.65	36 ± 14.12	46.28 ± 14.81	48.85 ± 10.27	41.94 ± 12.33
Females (N%)	107 (76.4%)	31 (77.5%)	13 (100%)	21 (84%)	18 (72%)	10 (50%)	12 (71%)
BMI (kg·m⁻²)	23.17 ± 3.86	22.58 ± 3.17	23.62 ± 3.56	20.50 ± 2.88	25.4 ± 4.55	24.76 ± 2.79	23 ± 4.41
SBP (mmHg)	113.17 ± 13.94	110.93 ± 13.03	111.15 ± 18.56	111.4 ± 16.60	115.56 ± 12.91	118 ± 11.22	113.41 ± 12.06
DBP (mmHg)	73.4 ± 11.45	71.95 ± 9.06	73 ± 10.82	72.44 ± 10.34	75.76 ± 9.37	80.55 ± 11.10	66.65 ± 16.88
HR (beats/min)	83.42 ± 13.82	80.6 ± 13.45	82.54 ± 14.12	83.36 ± 14.91	87.2 ± 12.61	86.65 ± 15.56	81.47 ± 12.25
6MWD (m)	405.66 ± 105.08	439.95 ± 104.53	431.11 ± 84.96	435.57 ± 75.19	354.72 ± 87.99	350.11 ± 116.21	404.69 ± 120.54
OSA (N%)	35 (25%)	0 (0%)	2 (15.4%)	2 (8%)	19 (76%)	10 (50%)	2 (11.8%)

Continuous variables are presented as mean ± SD. Categorical variables are given as counts. IPAH, idiopathic pulmonary arterial hypertension; CTD-PAH, pulmonary arterial hypertension associated with connective tissue disease; CHD-PAH, pulmonary arterial hypertension associated with congenital heart disease; CTEPH, chronic thromboembolic pulmonary hypertension; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; HR, heart rate; 6MWD, six-minute walking distance; OSA, obstruct sleep apnoea

ISSN: 1471-2466