Research Article

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 SD77.2 11.872.8 13.7<0.001
Male sex105 (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
 Atherosclerosis42 (21.0)202 (12.1)<0.001
 Cardioembolism75 (37.5)530 (31.7)0.095
 Small vessel occlusion12 (6.0)193 (11.5)0.018
 Other determined aetiology6 (3.0)26 (1.6)0.136
 Undetermined aetiology65 (32.5)723 (43.2)0.004
Comorbidities
 Prior stroke49 (24.5)324 (19.4)0.085
 Peripheral arterial disease26 (13.0)110 (6.6)0.001
 Diabetes39 (19.5)244 (14.6)0.066
 Angina pectoris40 (20.0)220 (13.1)0.008
 Myocardial infarction35 (17.5)235 (14.0)0.188
 Hypertension133 (66.5)922 (55.1)0.002
 Atrial fibrillation70 (35.0)475 (28.4)0.051
 Prior/current smoking122 (61.0)965 (57.7)0.364
Risk factor burden0.007
 044 (22.0)463 (27.7)
 166 (33.0)643 (38.4)
 253 (26.5)377 (22.5)
337 (18.5)191 (11.4)
Treatment
 Intravenous thrombolysis33 (16.5)274 (16.4)0.962
 Thrombectomy6 (3.0)22 (1.3)0.063
Complications during the stroke hospitalisation
 Urinary tract infection38 (19.0)187 (11.2)0.001
 Incontinence31 (15.5)211 (12.6)0.248
 Urinary retention55 (27.5)325 (19.4)0.007
 Pneumonia24 (12.0)105 (6.3)0.002
 Enteral feeding29 (14.5)106 (6.3)<0.001
 Seizures9 (4.5)36 (2.2)0.040
 Stroke in progression23 (11.5)147 (8.8)0.206
 Any complication100 (50.0)637 (38.1)0.001
Length of stay, median (IQR)6 (3, 11)6 (3, 10)0.553
Discharged destination
 Home77 (38.5)928 (56.0)<0.001
 Home nursing28 (14.0)166 (10.0)0.081
 Rehabilitation department10 (5.0)141 (8.5)0.087
 Nursing home69 (34.5)376 (22.7)<0.001
 Other department16 (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.