Scottsdale, Arizona-based P.F. Chang's China Bistro Inc. has reported earnings of US$5.1m for the Q1 ended 31 March 2002 compared to US$3.9m in the Q1 of the prior year. Earnings per share for the Q1 increased to US$0.20 from US$0.15 in the prior year after consideration of the two-for-one stock split payable in the form of a stock dividend on 1 May 2002 for holders of record as of 17 April 2002.