NPC International, Inc. (Nasdaq:NPCI): April Comparable Store Sales +6.7%: Dine-in restaurants: +7.2% Delivery: +4.9% Re-imaged restaurants accounted for +2.8% comparable store sales growth NPC International, Inc. (Nasdaq:NPCI), Friday (11 May) reported comparable store sales growth of 6.7% for the five weeks ended May 1, 2001.