Table 1

Characteristics of patients with aneurysmal SAH in terms of hydrocephalus (n = 168)
With Hydrocephalus Without Hydrocephalus P value
Initial hydrocephalus Subsequent hydrocephalus
N = 82 N = 22 N = 64
Mean age, years 57.79 ± 14.79 57.32 ± 11.59 52.59 ± 12.08 0.06
Sex (male/female) 29/53 7/15 16/48 0.403
Mean blood pressure on presentation
Systolic Blood pressure (mmHg) 148.07 ± 23.62 143.68 ± 24.29 145.73 ± 22.90 0.687
Diastolic Blood pressure (mmHg) 81.27 ± 13.93 79.13 ± 16.24 81.89 ± 11.87 0.712
Mean GCS on presentation 10.88 ± 4.07 11.64 ± 3.65 13.16 ± 2.96 0.001α
Mean modified Fisher SAH grade on presentation 3.17 ± 0.86 2.82 ± 0.96 2.42 ± 0.79 <0.0001β
Mean WFNS grade on presentation 2.95 ± 1.41 2.86 ± 1.46 2.01 ± 1.20 <0.0001γ
Mean Hospitalization days 30.40 ± 21.97 44.45 ± 24.34 20.03 ± 16.80 <0.0001ϵ
Underlying diseases
Atrial fibrillation 2 0 1
Coronary artery diseases 3 3 3 0.174
Diabetes mellitus 8 3 4 06540
End-stage renal diseases 3 0 2 0.666
Hypertension 38 12 21 0.119
Treatmentθ
Clipping of aneurysm only 35 17 35
Transarterial embolization only 29 3 24
Both transarterial embolization and clipping 8 1 1
External ventral drainage 52 16 --
Ventriculoperitoneal shuntι 32 15 --
Mean GOS at discharge 3.18 ± 1.34 2.86 ± 0.91 3.97 ± 1.14 <0.0001η
Good recovery 12 0 24
Moderate disability 32 6 26
Severe disability 11 7 6
Vegetative state 13 7 4
Death 14 2 4
Mean GOS after more than 18 months of follow-up 3.70 ± 1.69 3.18 ± 1.26 4.36 ± 1.13 0.002θ

Abbreviations: SAH, sub-arachnoid hemorrhage; GCS, Glasgow Coma Scale; GOS, Glasgow Outcome Scale; WFNS, World Federation of Neurosurgical Societies; θ, Not all patients have every treatment; --, not done; ι, Shunt-dependent hydrocephalus; IH, Initial hydrocephalus; SH, Subsequent hydrocephalus; WH, Without Hydrocephalus.

Post-hoc test: α = IH vs. WH, p = 0.001; β = IH vs. WH, p < 0.0001; γ = IH vs. WH, p < 0.0001; SH vs. WH, p = 0.041; ϵ = IH vs. SH, p = 0.019; IH vs. WH, p = 0.011; SH vs. WH, p < 0.001; η = IH vs. WH, p = 0.001; SH vs. WH, p = 0.002; θ = IH vs. WH, p = 0.025; SH vs. WH, p = 0.005.

Wang et al.

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

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