Table 5.

Summary of IL-10 subarachnoid hemorrhage clinical studies.

Study modality	Population	Outcomes	Reference
–	Austrian	Mean blood IL-10 levels low throughout ICU stay	(114)
ELISA	Swedish	Microdialysate IL-10 present at low levels and remained constant through 7 days post-bleed	(115)
ELISA	British	Plasma and CSF IL-10 levels constant through 10 days post-bleed, plasma and CSF levels equal	(116)
PCR	American	IL-10 mRNA not found in aneurysm walls, but was present in temporal artery controls	(117)
TaqMan Allelic Assay	Indian	IL-10 SNPs rs1800871 and 1800872 associated with intracranial aneurysm incidence, no correlation with rupture	(118)

ICU, intensive care unit; PCR, polymerase chain reaction; SNP, single nucleotide polymorphism; IL-10, interleukin-10.