Research Article

The Burden and In-Hospital Mortality of Stroke Admissions at a Tertiary Level Hospital in Namibia: A Retrospective Cohort Study

Table 2

Comparisons of in-hospital stroke outcomes between patients that died and survivors.
(a)

Died (, %)
57 (26.4)
Hospital discharge (, %)
159 (73.6)
value

Age (years), 0.219
Male (, %)31 (26.3)87 (73.7)0.966
Female (, %)26 (26.5)72 (73.5)
Ischaemic stroke (, %)27 (20.4)105 (79.6)0.013
Haemorrhagic stroke (, %)30 (35.7)54 (64.3)0.013
Systolic BP on admission (mmHg), median (IQR)152 (136-186)147.5 (131-173)0.176
Diastolic BP on admission (mmHg), median (IQR)93 (81-105)91.5 (80-104)0.633
Random blood sugar on admission (mmol/L), median (IQR)7.2 (5.8-10.7)6.4 (5.7-7.9)0.048
Altered mental status, yes (, %)21 (43.8)27 (56.3)0.001
Intubated on admission, yes (, %)7 (63.6)4 (36.4)0.003
Stroke risk factors
Hypertension, yes (, %)49 (28.0)126 (72.0)0.052
Diabetes mellitus, yes (, %)13 (34.2)25 (65.8)0.131
Dyslipidaemia, yes (, %)23 (22.8)78 (77.3)0.511
Other cardiovascular diseases, yes (, %)5 (33.3)10 (66.7)0.599
Smoking history, yes (, %)11 (21.6)40 (78.43)0.746
Alcohol history, yes (, %)16 (20.3)63 (79.8)0.680
HIV-positive (, %)8 (28.6)20 (71.4)0.173
Previous stroke, yes (, %)4 (28.6)10 (71.4)0.702
Miscellaneous (, %)14 (29.2)34 (70.8)0.277
Intravenous labetalol/hydralazine, yes (, %)17 (37.9)28 (62.2)0.032
Duration of symptoms before admission (days), median (IQR)0 (0-2)1 (0-3)0.229
Length of hospital stay (days), median (IQR)4.5 (1-9)12.5 (6.5-2)<0.001
Physiotherapy, yes (, %)5 (5.9)80 (94.1)<0.001

Miscellaneous risk factors included current pregnancy, postpartum, increased body mass index, meningitis, tuberculosis, chronic renal failure, COVID-19 infection, trauma to the neck, gout, prostate cancer, herpes ophthalmicus, congenital limb deformity, deaf, epilepsy, asthma, and chronic obstructive pulmonary disease.
(b)

Died (, %)
57 (26.4)
Hospital discharge (, %)
159 (73.6)
value

Complications
Risk of dysphagia, yes (, %)26 (38.8)41 (61.2)<0.001
Raised ICP, yes (, %)21 (75.0)7 (25.0)<0.001
Malignant MCA, yes (, %)9 (90.0)1 (10.0)<0.001
Hydrocephalus, yes (, %)10 (55.4)8 (44.4)0.023
Depression, yes (, %)0 (0.0)7 (100.0)0.125
Haemorrhagic transformation, yes (, %)4 (66.7)2 (33.3)0.023
Aspiration pneumonia, yes (, %)29 (59.2)20 (40.8)<0.001
Acute kidney injury, yes (, %)12 (38.7)19 (61.2)0.052
Urinary tract infection, yes (, %)4 (14.3)24 (85.7)0.183
PE/DVT, yes (, %)1 (50.3)1 (50.0)0.443
Myocardial infarction, yes (, %)2 (100.0)0 (0.0)0.061
Hyponatremia, yes (, %)5 (23.8)16 (76.2)0.984
Sepsis, yes (, %)10 (52.6)9 (47.4)0.004
Miscellaneous, yes (, %)9 (60.0)6 (40.0)0.001

Abbreviations: CVS: cardiovascular disease; ICP: intracranial pressure; MCA: middle cerebral artery; PE/DVT: pulmonary embolism/deep vein thrombosis. Miscellaneous complications included persistent hyperglycemia/hypertension, hyperkalemia/hypokalemia, hypernatremia, anaemia, obstructive sleep apnoea, pulmonary oedema, and HELLP syndrome. Fisher exact test.