(n = 505)
Age, years 65.1 ± 12.1
Female sex, n (%) 130 (25.7)
Cardiovascular risk factors  
Diabetes mellitus, n (%) 129 (25.5)
Hypertension, n (%) 380 (75.4)
Adiposity, n (%) 229 (45.3)
Dyslipidemia, n (%) 300 (59.5)
Smoker, n (%) 245 (48.6)
Body Mass Index, kg/m2 26.9 ± 4.6
Family history, n (%) 121 (24.0)
Left ventricular ejection fraction  
≥ 50, n (%) 375 (74.3)
30-49, n (%) 99 (19.6)
≤ 29, n (%) 31 (6.1)
EuroSCORE  
Additive, median [IQR] 5 [3 - 7]
Logistic, median [IQR] 5.8 [2.6 - 14.1]
Peripheral artery disease, n (%) 73 (14.5)
Chronic lung disease, n (%) 77 (15.4)
Previous cardiac operation, n (%) 58 (11.5)
Previous stroke, n (%) 55 (10.9)
Previous myocardial infarction  
< 6 - 24 hours before operation, n (%) 22 (4.4)
1 -21 days before operation, n (%) 88 (17.4)
> 22 days before operation, n (%) 65 (12.9)
none, n (%) 281 (55.6)
Unknown, n (%) 49 (9.7)
Preoperative IABP, n (%) 7 (1.4)
Preoperative renal failure, n (%) 15 (3.0)
Urgent operation, n (%) 143 (28.3)
Type of operation  
CABG only, n (%) 231 (45.7)
CABG and valve, n (%) 69 (13.7)
CABG and other, n (%) 38 (7.5)
CABG and valve and other, n (%) 24 (4.8)
Valve only, n (%) 52 (10.3)
Valve and other, n (%) 61 (12.1)
Other, n (%) 30 (5.9)
CPB duration, min 88.6 ± 40.6
Off-pump, n (%) 6 (1.9)
Time of operation, min 190.4 ± 63.3
Cross-clamp time, min 57.6 ± 27.8
Intraoperative / early postoperative IABP, n (%) 8 (1.6)
Postoperative complications  
Bleeding or tamponade, n (%) 30 (5.9)
Stroke, n (%) 8 (1.6)
Renal failure, n (%) 46 (9.1)
30-day mortality, n (%) 17 (3.4)
Length of hospital stay, days, median [IQR] 9 [8 - 13]
Length of ICU stay, nights, median [IQR] 1 [1 - 2]
Length of IMC stay, days, median [IQR] 1 [0 - 2]
PRN  
Daily, points, median [IQR] 63.8 [54.3-77.7]
Total, points, median [IQR] 437 [311 - 668]
First day on ward, points, median [IQR] 131 [86 - 143]
Rehabilitation program  
Inpatient, n (%) 349 (69.1)
Outpatient, n (%) 113 (22.4)
None, n (%) 12 (2.4)
Neurologic Rehabilitation, n (%) 4 (0.8)
Unknown, n (%) 10 (2.0)
Data are mean ± SD unless otherwise specified
Table 1: Patient demographics and clinical characteristics