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Table 3 Characteristics of each treatment group

From: The effect of intravenous interleukin-1 receptor antagonist on inflammatory mediators in cerebrospinal fluid after subarachnoid haemorrhage: a phase II randomised controlled trial

  All patients (n = 13a) Placebo (n = 7) IL-1Ra (n = 6)
Mean age (range) (years) 54 (40 to 69) 50 (42 to 61) 58 (40 to 69)
Male/female 3/10 1/6 2/4
WFNS grade    
1 1 1 0
2 5 4 1
3 0 0 0
4 3 1 2
5 4 1 3
Fisher grade    
3 3 2 1
4 10 5 5
Aneurysm location    
Anterior circulation 9 5 4
Posterior circulation 4 2 2
  1. an = 13, as this includes all patients in whom an infusion was started. One patient did not complete the infusion; therefore analyses included only 12 patients. IL-1Ra, interleukin-1 receptor antagonist; WFNS, World Federation of Neurosurgical Societies.