Papa John's International, Inc. (Nasdaq:PZZA) Friday (11 May) announced that domestic systemwide comparable sales for the four weeks ended April 29, 2001 decreased 5.3%, composed of a 6.9% decrease at company-owned restaurants and a 4.8% decrease at franchised units. Total systemwide international sales increased 27.0% for the four-week period, on a constant U.S. dollar basis, over the comparable period last year.