in the end, hillary clinton won the primary by 9.28 percentage points, a wider margin than expected than recent polls suggested, but smaller than most january and february polls. despite her victory, she gained only nine delegates on obama. in particular superdelegates were not swinging in her direction after her win; the clintons had been trying to secure the support of congressman jason altmire but he remained uncommitted after she won his district by 31 percentage points during the primary.