Percutaneous Closure of PFO in Patients with Reduced Oxygen Saturation at Rest and during Exercise: Short- and Long-Term Results

Table 2

Baseline characteristics.

Age, years	59 [50–75]
Male/female	8/8
Alive	n = 10
Unknown	n = 1
BMI, kg/m^2 [10]	25.2 ± 3.70
NYHA functional class [7]	3.0 ± 0.8
NYHA functional class (I/II/III/IV)	0/2/3/2
Duration dyspnea, months [9]	6 [1–8]
Follow-up, months	36 [12–42]
Spontaneous shunt [12]	n = 6
Cardiovascular risk factors
Hypertension [8]	n = 3
Tobacco use, pack-years	10 [0–15]

Normally distributed values are mean ± SD; nonnormally distributed values are mean [Q₁–Q₃]. Numbers between brackets indicate number of patients from whom data that were obtained. BMI = body mass index; NYHA = New York Heart Association.