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Fig. 1 | SpringerPlus

Fig. 1

From: Efficacy of epidural blood patch with fibrin glue additive in refractory headache due to intracranial hypotension: preliminary report

Fig. 1

Mean pre-/post-procedure pain scores. Shown are mean ± standard error of the mean (SEM) NRS pain scores at the noted time points. Statistical analysis (two-tailed Student’s t test) revealed no significant difference in mean pain score between pre-procedure and 1-week post-procedure or between pre-procedure and 3-week post-procedure. Median pain scores for each group were 8.5, 7.5, and 7 for pre-procedure, 1-week post-procedure, and 3-week post-procedure, respectively

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