Luxury spa participants in the Spa STAR performance report continued to show declining performance metrics through the third quarter of 2009, according to data released by STR. Through September year-to-date, the Average Treatment Rate (ATR) for the participating spas was US$146, a decline of 10 percent from the first nine months of 2008. For the same time frame the Average Daily Rate (ADR) for luxury hotels tracked by STR decreased 17 percent to US$240.