I need to work out SD and 95% confidence intervals of mean reduction in HBA1C levels. This is for plotting a forest plot. I'm a bit stuck
And here is the data, can anybody help me?

http://tinypic.com/r/25u4gv8/5


And at the bottom of the table it says

http://tinypic.com/r/301dfyf/5

Sorry here's the table for the data

http://i39.tinypic.com/25u4gv8.jpg

http://i42.tinypic.com/301dfyf.jpg