Demographics, clinical characteristics, health resource utilization and cost of chronic thromboembolic pulmonary hypertension patients: retrospective results from six European countries

Table 2 Clinical outcomes and hemodynamics, baseline and change during follow-up

Parameter	Baseline		Follow-up
	N*	Mean ± SD	N*	Δ during observation (Mean ± SD)
6 MWD, meters	92	298 ± 120	90	30 ± 90
Pulmonary atrial pressure (PAP),mmHg	107	45.5 ± 0.6	51	−2.5 ± 13.4
Pulmonary capillary wedge pressure, mm Hg	98	9.5 ± 4.6	43	−1.0 ± 5.9
Right atrial pressure (RAP), mmHg	96	8.1 ± 5.8	53	−0.43 ± 6.7
Pulmonary vascular resistance (PVR), dyn × sec × cm⁻⁵	94	797 ± 416	37	−111 ± 360
Cardiac index, l/min/m²	98	2.2 ± 0.5	49	1.11 ± 3.3
Borg dyspnoea index	81	4.7 ± 2.2	78	−0.5 ± 2.7
FEV₁, litres	86	2.0 ± 0.7	71	−0.1 ± 0.3
FEV₁/vital capacity	87	71.5 ± 12.3	72	−3.1 ± 10.4

*Sample size may vary due to missing values in the patient records.
FEV₁, Forced Expiratory Volume in 1 second; 6-MWD, walking distance in 6 minutes.

ISSN: 1472-6963