Wellens’ syndrome: incidence, characteristics, and long-term clinical outcomes

Table 1 Comparison of the baseline characteristics among patients

Variables	Wellens’ (N = 200)	Non-Wellens’ (N = 1927)	P value
Age (years)	63.3 ± 10.4	64.2 ± 9.7	0.158
Male	146 (73)	1314 (68.2)	0.163
Days	6 (5.8)	6 (4.7)	< 0.001
BMI (kg/m²)	25.21 ± 2.97	25.93 ± 3.45	0.005
WC (cm)	90.79 ± 9.84	92.5 ± 10.08	0.025
Smoking	114 (57)	1017 (55.8)	0.255
HT	133 (66.5)	1353 (70.2)	0.276
DM	70 (35)	810 (42)	0.055
Hyperlipemia	100 (50)	1030 (53.5)	0.352
History of CHD	46 (23)	763 (39.6)	< 0.001
Prior MI	15 (7.5)	199 (10.3)	0.206
HF	1 (0.5)	13 (0.7)	0.771
CKD	10 (5)	71 (3.7)	0.355
PAD	14 (7)	202 (10.5)	0.121
Stroke	39 (19.5)	317 (16.5)	0.271
Previous PCI	18 (9)	376 (19.5)	< 0.001
NSTEMI	138 (69)	338 (17.5)	< 0.001
EDD (cm)	5.19 ± 0.56	5.08 ± 0.52	0.006
LVEF	0.62 ± 0.09	0.65 ± 0.08	0.002
LDL-C (mmol/L)	2.5 ± 0.73	2.25 ± 0.75	< 0.001
eGFR (ml/min)	86.69 ± 24.76	88.09 ± 22.2	0.408
HBA1c (%)	6.54 ± 1.46	6.7 ± 21.45	0.159
Multivessel disease	177 (88.5)	1712 (88.8)	0.884
LM disease	18 (9)	229 (11.9)	0.226
Plain balloon angioplasty	7 (3.5)	279 (14.6)	< 0.001
Drug-eluting stent	193 (96.5)	1635 (84.8)	< 0.001
Stent length < 30 mm	58 (29)	542 (28.1)	0.794
Number of stents	1.35 ± 0.63	1.14 ± 0.69	< 0.001
Early PCI (< 48 h after first presentation)	136 (68)	1143 (59.3)	0.017

Bold values indicate that the difference is statistically significant (P < 0.05)
Data are presented as absolute numbers and percentages (for categorical variables) or mean value ± SD (for continuous variables) unless otherwise specified
BMI, body mass index; WC, waist circumference; HT, hypertension; DM, diabetes mellitus; CHD, coronary heart disease; MI, myocardial infarction; HF, heart failure; CKD, chronic kidney disease; PAD, peripheral arterial disease; PCI, percutaneous coronary intervention; NSTEMI, non-ST‑elevation myocardial infarction; EDD, left ventricular end diastolic dimension; LVEF, left ventricular ejection fraction; LDL-C, low-density lipoprotein cholesterol; eGFR, estimated glomerular filtration rate (calculated via Modification of Diet in Renal Disease equation); HbA1c, glycated hemoglobin, LM, left main

ISSN: 1471-2261