I changed one of my wordpress blogs' theme, which I did successfully. However, I noticed that an hour or two has passed yet the stats for this particular blog would not change. I even logged on to the blog myself to see if this would be counted as a visit, to no avail. Afraid I did something wrong, I reverted back to the old theme, and what do you know, the blog began giving out stats. Is the non-showing and changing of stats really the effect of changing theme?
Your adsense stat page should be correct reguardless of your theme. Maybe you didn't give it long enough to update? Is it usually a busy blog?