Original Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Cardiol. Nov 26, 2011; 3(11): 359-366
Published online Nov 26, 2011. doi: 10.4330/wjc.v3.i11.359
Table 1 Patient demographics n (%)
All patients (n = 273)LES < 15 (n = 193)LES15 (n = 80)P value
Gender (male)128 (47)90 (47)38 (48)0.900
Age (mean ± SD, yr)82.7 ± 2.3582.4 ± 2.2183.5 ± 2.53< 0.001
Surgery
AVR140 (51)103 (53)37 (46)0.280
AVR with CABG133 (49)90 (47)43 (54)
Previous MI
None231 (85)180 (93)51 (64)< 0.001
≤ 90 d26 (10)6 (3)20 (25)
> 90 d16 (6)7 (4)9 (11)
Diabetes mellitus30 (11)27 (14)3 (4)0.014
Renal impairment11 (4)4 (2)7 (9)0.011
Previous PCI4 (2)04 (5)0.002
Pulmonary disease47 (17)21 (11)26 (33)< 0.001
Prior cardiac surgery13 (5)1 (1)12 (15)< 0.001
CVA/TIA42 (15)28 (15)14 (18)0.450
PVD25 (9)12 (6)13 (16)0.009
CAD
None135 (50)100 (52)35 (44)0.590
1 vessel disease46 (17)33 (17)13 (16)
2 vessel disease42 (15)28 (15)14 (18)
3 vessel disease49 (18)31 (16)18 (23)
Pathology
AS239 (88)170 (88)69 (86)0.680
AS with mild AR34 (12)23 (12)11 (14)
Valve
Mechanical15 (6)13 (7)2 (3)0.160
Biological258 (95)180 (93)78 (98)
Cardiogenic shock4 (2)04 (5)0.002
Ejection fraction
< 30%15 (6)015 (19)< 0.001
30%-49%62 (23)37 (19)25 (31)
50% and above196 (72)156 (81)40 (50)
EuroSCORE, median (IQR)9 (8-10)8 (8-9)11 (10-12)
LES, median (IQR)11.1 (8.4-16.6)9.5 (7.9-11.6)20.7 (17.4-24.9)