Table 4

Risk factors of shunt-dependent hydrocephalus in aneurysmal SAH patients without hydrocephalus upon arrival at the hospital
Without shunt-dependent hydrocephalus N = 71 With shunt-dependent hydrocephalus N = 15 P value OR 95% CI
Sex (male/female) 20/51 3/12 0.384 0.638 0.163-2.501
Mean age at onset 52.92 ± 11.85 57.93 ± 12.66 0.146
Mean blood pressure on presentation
Mean Systolic Blood pressure (mmHg) 144.59 ± 22.92 148.13 ± 24.77 0.593
Mean diastolic Blood pressure (mmHg) 81.84 ± 12.734 78.07 ± 14.67 0.312
Mean GCS on presentation 13.17 ± 2.82 10.87 ± 4.17 0.01
Mean modified Fisher SAH grade on presentation 2.44 ± 0.80 2.93 ± 0.96 0.039
Mean WFNS grade on presentation 2.07 ± 1.20 3.00 ± 1.60 0.012
Mean Hospitalization days 24.13 ± 21.50 36.46 ± 20.24 0.0.045
Neuroimaging findings
Rebleeding of aneurysm 4 2 0.280 2.577 0.427-15.563
Intraventricular hemorrhage on admission 5 6 0.003 8.8 2.223-34.842
Intracerebral hemorrhage on admission 12 3 0.72 1.229 0.3-5.301
Underlying diseases
Hypertension 27 6 1.0 1.086 0.348-3.393
Atrial fibrillation 1 0 1.0 0.824 0.746-0.909
Coronary artery diseases 5 1 1.0 0.943 0.102-8.708
Diabetes mellitus 4 3 0.098 4.188 0.83-21.12
End stage renal diseases 2 0 1.0 0.821 0.743-0.908
Other complications following aneurysmal SAH
Cerebral infarction
Symptomatic vasospasm 10 2 1.0 0.938 0.184-4.799
Seizure 9 5 0.063 3.444 0.957-12.40
Diabetes inspidus 0 2 0.029 0.155 0.094-0.255
Hyponatremia 5 2 0.60 2.031 0.355-11.62
Shunt infection 1 1 0.32 5.0 0.295-84.776
Postoperative intracerebral hemorrhage 5 5 0.013 6.6 1.617-26.945
Arrhythmia 1 1 0.320 5.0 0.295-84.776
Outcome
Mean Hospitalization days 24.13 ± 21.50 36.47 ± 20.24 0.0452
Mean GOS at discharge 3.86 ± 1.16 2.93 ± 1.03 0.014
Mean GOS after more than 18 months of follow-up 4.21 ± 1.19 3.33 ± 1.40 0.211

Abbreviations: N, number of cases; OR, odds ratio; CI, confidence interval; SAH, sub-arachnoid hemorrhage; GCS, Glasgow Outcome Scale; GOS, Glasgow Outcome Scale; WFNS, World Federation of Neurosurgical Societies.

Wang et al.

Wang et al. BMC Surgery 2012 12:12   doi:10.1186/1471-2482-12-12

Open Data