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Table 3 Comparison of non-aneurysmal SAH vs. ISAT/BRAT-data

From: Non-aneurysmal non-traumatic subarachnoid hemorrhage: patient characteristics, clinical outcome and prognostic factors based on a single-center experience in 125 patients

Characteristics

ISAT 2002

OR (95% CI)

P-value *

non-aneurysmal SAH

BRAT 6mon

OR (95% CI)

P-value *

No. of patients

2143

  

125

471

  

Mean age

52

  

56.4 ± 13.14

53 to 54

  

Male gender

799 (37%)

3.9 (2.6 - 5.7)

< 0.0001

87 (70%)

139 (30%)

5.5 (3.6 - 8.4)

< 0.0001

WFNS/HH I-III at admission

2018 (94%)

0.35 (0.2 - 0.6)

< 0.0001

106 (85%)

380 (81%)

 

NS

   

Outcome

   
 

ISAT 2002

   

BRAT 6mon

  

No. of patients

1594

  

125

341

  

Favourable outcome (mRS 0–2)

1161 (73%)

1.85 (1.1-3.0)

0.011

104 (83%)

239 (70%)

2.1 (1.3-3.6)

< 0.01

Death

145 (9%)

1.1 (0.6-2.0)

NS

12 (10%)

   
 

ISAT 2009

      

No. of patients

1644

  

125

   

DID /DCI

415 (25%)

2.0 (1.2 - 3.3)

< 0.01

18 (14%)

   
  1. *unpaired t-test for parametric statistics and Chi2 test for categorical variables vs. ISAT/BRAT; WFNS World Federation of Neurological Societies, OR odds ratio; CI confidence interval; NS: not significant (p > 0.05); ISAT 2002: comparison with data from Molyneux et al. [35]; ISAT 2009: comparison with data from Rivero-Arias et al. [37]; BRAT 6mon: comparison with 6 months outcome data from Spetzler et al. [36].
  2. DID delayed ischemic neurological deficit according to the ISAT 2009 data [37]; DCI delayed cerebral ischemia, according the Vergouwen definitions [15].