The Impact of Ischaemic Stroke Subtype on 30-day Hospital Readmissions
Table 1
Baseline Characteristics of the Study Population Stratified by 30-day Readmission.
Readmitted N = 200
Not readmitted N = 1674
P
Age (years), mean SD
77.2 11.8
72.8 13.7
<0.001
Male sex
105 (52.5)
931 (55.6)
0.402
Stroke severity and functional outcome
mRS score at discharge, median (IQR)
2 (1, 4)
2 (1, 3)
<0.001
NIHSS score at discharge, median (IQR)
3 (1, 8)
1 (0, 4)
<0.001
BI score at discharge, median (IQR)
90 (40, 100)
100 (75, 100)
<0.001
Stroke subtype
Atherosclerosis
42 (21.0)
202 (12.1)
<0.001
Cardioembolism
75 (37.5)
530 (31.7)
0.095
Small vessel occlusion
12 (6.0)
193 (11.5)
0.018
Other determined aetiology
6 (3.0)
26 (1.6)
0.136
Undetermined aetiology
65 (32.5)
723 (43.2)
0.004
Comorbidities
Prior stroke
49 (24.5)
324 (19.4)
0.085
Peripheral arterial disease
26 (13.0)
110 (6.6)
0.001
Diabetes
39 (19.5)
244 (14.6)
0.066
Angina pectoris
40 (20.0)
220 (13.1)
0.008
Myocardial infarction
35 (17.5)
235 (14.0)
0.188
Hypertension
133 (66.5)
922 (55.1)
0.002
Atrial fibrillation
70 (35.0)
475 (28.4)
0.051
Prior/current smoking
122 (61.0)
965 (57.7)
0.364
Risk factor burden
0.007
0
44 (22.0)
463 (27.7)
1
66 (33.0)
643 (38.4)
2
53 (26.5)
377 (22.5)
3
37 (18.5)
191 (11.4)
Treatment
Intravenous thrombolysis
33 (16.5)
274 (16.4)
0.962
Thrombectomy
6 (3.0)
22 (1.3)
0.063
Complications during the stroke hospitalisation
Urinary tract infection
38 (19.0)
187 (11.2)
0.001
Incontinence
31 (15.5)
211 (12.6)
0.248
Urinary retention
55 (27.5)
325 (19.4)
0.007
Pneumonia
24 (12.0)
105 (6.3)
0.002
Enteral feeding
29 (14.5)
106 (6.3)
<0.001
Seizures
9 (4.5)
36 (2.2)
0.040
Stroke in progression
23 (11.5)
147 (8.8)
0.206
Any complication
100 (50.0)
637 (38.1)
0.001
Length of stay, median (IQR)
6 (3, 11)
6 (3, 10)
0.553
Discharged destination
Home
77 (38.5)
928 (56.0)
<0.001
Home nursing
28 (14.0)
166 (10.0)
0.081
Rehabilitation department
10 (5.0)
141 (8.5)
0.087
Nursing home
69 (34.5)
376 (22.7)
<0.001
Other department
16 (8.0)
47 (2.8)
<0.001
SD: standard deviation, mRS: modified Rankin Scale, IQR: interquartile range, NIHSS: National Institutes of Health Stroke Scale, BI: Barthel Index. Data are expressed as n (%) unless specified.