Gender differences in outcomes following isolated coronary artery bypass grafting: long-term results

Table 1 Baseline characteristics of the patients according to gender

Patients’ Characteristics	Male (N = 5976)	%	Female (N = 1332)	%	p-value	Standardized differences
<=70 year	3684	61.6	555	41.7	<.0001	−0.408
70-80 year	2255	37.7	699	52.5	<.0001	0.3
>80 year	264	4.4	124	9.3	<.0001	0.194
BMI > =30: obesity	1244	20.8	297	22.3	0.2309	0.036
Unstable angina	459	7.7	123	9.2	0.0583	0.056
Ejec. fraction < =30 %	166	2.8	25	1.9	0.0624	−0.06
Ejec. fraction 30 %-50 %	1550	25.9	304	22.8	0.0182	−0.073
Previous myocardial infarction	1804	30.2	417	31.3	0.4221	0.024
Serum Creatinine > =2 mg/dl	158	2.6	30	2.3	0.4142	−0.025
Diabetes	1788	29.9	481	36.1	<.0001	0.132
Systolic PA pressure > 60 mmHg	7	0.1	1	0.1	0.6746	−0.014
Chronic pulmonary disease	352	5.9	54	4.1	0.0082	−0.085
NYHA III-IV	628	10.5	154	11.6	0.261	0.034
Extracardiac arteriopathy	1396	23.4	306	23	0.7624	−0.009
Neurological dysfunction disease	109	1.8	31	2.3	0.2255	0.035
Previous cardiac surgery	137	2.3	16	1.2	0.0119	−0.083
Single-vessel disease	572	9.6	169	12.7	0.0007	0.099
Double-vessel disease	2328	39	527	39.6	0.6805	0.012
Triple-vessel disease	3076	51.5	636	47.7	0.0139	−0.075
Previous PCI	934	15.6	212	15.9	0.7947	0.008
Previous CABG	112	1.9	9	0.7	0.0019	−0.107
EuroScore: 0-4	3385	56.6	441	33.1	<.0001	−0.487
EuroScore: 5-6	1214	20.3	376	28.2	<.0001	0.185
EuroScore: 7-9	739	12.4	339	25.5	<.0001	0.339
EuroScore: > = 10	171	2.9	90	6.8	<.0001	0.183
OPCABG	483	8.1	114	8.6	0.5801	0.017

BMI body mass index, LVEF left ventricular ejection fraction, NYHA New York Health Association, PCI percutaneous coronary intervention, CABG coronary artery bypass grafting, OPCABG Off-pump coronary artery bypass grafting

ISSN: 1749-8090