Table 1

Patient demographics and baseline characteristics

Patient characteristicsAll
(n=240)
Tenting area/BSATenting area/annulus diameterGender differences
>1.35 cm2/m2
(n=129)
≤1.35 cm2/m2
(n=111)
P value>0.76 cm2/cm
(n=92)
≤0.76 cm2/cm
(n=148)
P valueFemales
(n=105)
Males
(n=135)
P value
Male (%)135 (56.3)72 (55.8)63 (56.8)0.8853 (55.4)82 (57.6)0.74
Age (years)68.0±9.867.5±9.868.4±9.70.5967.1±10.168.4±4.30.3368.1±9.867.2±8.20.17
BSA (m2)1.9±0.21.9±0.22.0±0.20.042.0±0.21.9±0.20.371.8±0.22.0±0.1<0.001
Diabetes (%)44 (18.3)24 (18.2)20 (18.6)0.9318 (17.7)26 (19.6)0.7216 (15.2)28 (20.9)0.24
Creatinine (mg/dL)1.3±0.81.4±1.01.2±0.60.111.4±1.01.3±0.70.311.3±0.51.3±0.70.96
CAD (%)127 (52.9)66 (51.6)61 (55.0)0.5651 (55.4)76 (51.4)0.5437 (35.2)90 (66.7)<0.001
Acute HF (%)107 (44.6)66 (51.6)41 (36.9)0.0245 (49.5)62 (41.9)0.2546 (43.8)61 (45.5)0.79
LVEF (%)46±1244±1249±120.0143±1348±120.0449±1144±130.04
Ischaemic CM135 (56.3)73 (56.6)62 (55.9)0.9178 (52.7)57 (62)0.1642 (40)93 (68.9)<0.001
Non-ischaemic CM105 (43.7)56 (43.4)49 (44.1)0.9170 (47.3)35 (38)0.1663 (60)42 (31.1)<0.001
STS Score (%)3.4±3.53.5±3.93.2±3.00.583.2±2.43.4±4.00.683.6±4.53.2±3.50.33
EuroSCORE II (%)7.1±8.97.0±8.57.3±9.40.837.5±8.96.9±8.90.657.4±9.97.0±8.20.71
Ring size (mm)29.9±1.629.9±1.830.0±1.70.6930.0±1.829.9±1.70.6429.3±1.630.5±1.7<0.001
Concomit. proc. (%)184 (76.7)97 (75.2)87 (78.4)0.5667 (79.1)117 (72.8)0.7671 (67.6)113 (83.7)0.003
CABG (%)94 (39.2)41 (31.8)53 (47.7)0.0133 (35.9)61 (41.2)0.4123 (21.9)71 (52.6)<0.001
  • Continuous values presented means±SD; categorial values presented as no. (%).

  • Acute HF, decompensated heart failure within two weeks before surgery; BSA, body surface area (m2); CABG, coronary artery bypass grafting; CAD, Coronary artery disease; CM, cardiomyopathy; LVEF, left ventricle ejection fraction; STS Score, Society of Thoracic Surgery risk score for mortality.