Table 1.

Patient demographics.

Variables	Patients with acute ischaemic stroke (n = 14,965)
Age (years), mean ± SD[0]	69 ± 12
Male, n (%)[0]	8295 (55)
History of stroke, n (%)[0.30]	3293 (22)
Baseline NIHSS, mean ± SD[25]	13 ± 6
Use of IV thrombolysis, n (%)[5.44]	3182 (22)
Use of antihypertensive agents, n (%)[0]	1172 (8)
Systolic blood pressure (mmHg), mean ± SD[0]	157 ± 25
Diastolic blood pressure (mmHg), mean ± SD[0]	85 ± 15
Creatinine (mg/dl), mean ± SD[31]	0.96 ± 0.34
Haemoglobin (g/dl), mean ± SD[37]	14 ± 2
Smoking status[3.50]
Non, n (%)	6086 (42)
Ex, n (%)	4736 (33)
Current, n (%)	3616 (25)
Comorbidities
Hypertension, n (%)[5.03]	9645 (68)
Diabetes, n (%)[0.05]	3218 (22)
History of AF, n (%)[14]	3146 (24)
History of MI, n (%)[27]	1466 (13)
History of HF, n (%)[52]	748 (11)
Cardiac events within 30 days from the onset
Stroke-heart syndrome, n (%)[0]	1774 (12)
ACS/myocardial injury, n (%)[0]	146 (1.0)
HF/LV dysfunction, n (%)[0]	324 (2.2)
AF/AFL, n (%)[0]	602 (4.0)
Other arrhythmia/ECG abnormalities, n (%)[0]	926 (6.2)
Cardiorespiratory arrest, n (%)[0]	79 (0.5)

Numerical data are expressed as mean ± SD or median (interquartile range; first quartile, third quartile). Categorical data are expressed as percentages and numbers. [] indicates missing rates (%).

ACS, acute coronary syndrome; AF, atrial fibrillation; AFL, atrial flutter; ECG, electrocardiogram; HF, heart failure; IV, intravenous; LV, left ventricular; MI, myocardial infarction; NIHSS, National Institutes of Health Stroke Scale; SD, standard deviation; SHS, stroke-heart syndrome.