. 2015 Aug 7;2015(8):CD003434. doi: 10.1002/14651858.CD003434.pub3

6. Improvement in headache.

Outcome	Acetalomazide			Placebo			MD (95% CI) adjusted for centre, baseline value of outcome and baseline papilloedema grade
Outcome	Mean	SD	N	Mean	SD	N
Ball 2011: Change in headache score as measured on a 10‐point visual analogue score at 12 months	Not reported	Not reported	21	Not reported	Not reported	20	1.0 (‐1.80 to 3.70)
Wall 2014: Change in HIT‐6 total score between baseline and 6 months	‐9.56	Not reported^a	^a	‐9.11	Not reported^a	^a	‐0.45 (‐3.50 to 2.60)

^aIt is unclear how many patients were included in these analyses.  Abbreviations: MD = mean difference; SD = standard deviation; CI = confidence interval; N = number of participants.