Table 1: Clinical characteristics in both groups depending on achieving or not 4.5 METs (metabolic equivalents) in the effort test.

<4.5 METs>4.5 METs
𝑛 = 2 2 𝑛 = 3 3

Days after surgery59.1 ± 11.463.8 ± 17.3
Recipient age (years)*56.1 ± 9.348.9 ± 9.7
Donor age (years)39.4 ± 11.642.4 ± 11.1
Male recipients68.275.7
Male donors68.257.6
Donor BMI/recipient BMI1 ± 0.170.99 ± 0.19
Recipient BMI25.1 ± 3.724.6 ± 3.5
PCP (mmHg)24.5 ± 10.923.7 ± 10.3
PVR (WU)2.4 ± 1.82.3 ± 1.4
LVEF (%)19.1 ± 11.318.7 ± 10.2
Creatinine (mg/dl)1.1 ± 0.51.1 ± 0.4
Ischemic time (min)*190.9 ± 45.9151.3 ± 48.8
Ischemic time > 180 min*68.230.3
Inotropic treatment#45.522.7
NYHA ≥ III-IV81.878.8
INTERMACS score*3.6 ± 1.34.4 ± 1.3
Diabetes mellitus27.315.2
Hypertension requiring treatment31.827.3
Baseline heart disease (ischemic/idiopathic/hypertrophic/other)*59/18/0/2333.3/45.5/12.1/9.1
Smoking <1 years36.427.3
Ventricular assist device*31.86.1
Urgent transplant#45.421.2
Moderate-severe obstructive respiratory pattern13.715.5
Treated rejection episodes31.827.3

Values are expressed as mean ± standard deviation or as percentages.
Body mass index (BMI), pulmonary capillary pressure (PCP), pulmonary vascular resistance (PVR), left ventricular ejection fraction (LVEF), New York Heart Association (NYHA), Wood unit (WU) 𝑃 < 0 . 0 5 , # 𝑃 < 0 . 1 .