Variable
Total (n = 128) PPM (n = 34) Non-PPM (n = 94)
P-value
Age (years) 75.2 ± 7.2 76.2 ± 5.3 74.9 ± 7.7 .37
Male 68 (53.1%) 24 (70.6%) 44 (46.8%) .027
Body surface area (m2) 1.51 ± 0.18 1.60 ± 0.18 1.48 ± 0.17 <.001
NYHA class 3/4 64 (50.0%) 12 (35.3%) 52 (55.3%) .071
Hypertension 72 (56.3%) 23 (67.6%) 49 (52.1%) .16
Diabetes 20 (15.6%) 6 (17.7%) 14 (14.9%) .78
Ischemic heart disease 20 (15.6%) 4 (11.8%) 16 (17.0%) .59
Pulmonary hypertension 65 (50.8%) 19 (55.9%) 46 (48.9%) .55
COPD 7 (5.5%) 0 (0%) 7 (7.4%) .19
Atrial fibrillation 46 (35.9%) 12 (35.3%) 34 (36.2%) 1.000
Cerebrovascular disease 35 (27.3%) 14 (41.2%) 21 (22.3%) .044
Chronic kidney diseasea 14 (10.9%) 5 (14.7%) 9 (9.6%) .52
Hemodialysis 2 (1.6%) 0 (0%) 2 (2.1%) 1.000
Peripheral artery disease 3 (2.3%) 1 (2.9%) 2 (2.1%) 1.000
Prior cardiac surgery 22 (17.2%) 4 (11.8%) 18 (19.2%) .43
Preoperative LVEF (%) 58.0 ± 12.9 58.2 ± 12.6 57.9 ± 13.1 .94
Serum albumin (g/dL) 3.7 ± 0.7 3.8 ± 0.7 3.6 ± 0.7 .16
Serum hemoglobin (g/dL) 11.6 ± 2.2 11.7 ± 2.2 11.6 ± 2.2 .89
Endocarditis/PVE 16 (12.5%) 0 (0%) 16 (17.0%) .006