Fig. 3From: COX2 expression is associated with proliferation and tumor extension in vestibular schwannoma but is not influenced by acetylsalicylic acid intakeNo significant difference in COX2 expression was observed for the intake of ASA (a), NSAIDs (b), glucocorticoids (c) or other immunosuppressants (d). Outliers are represented as single dots and were included in each analysis and respective p-values are shown at the top of each graphBack to article page