The total average cost of treatment per case of late-detected CDH was NOK 121,370. The extra cost of exchanging one clinical examination for one ultrasound examination was NOK 60. The total cost of screening plus one clinical examination was estimated to be NOK 1,650,000 and the cost of false positive over treatment was estimated to be NOK 40,000 for a total cost of NOK 1,690,000. If the clinical examinations were eliminated the extra cost of ultrasound would be NOK 285,000. Discounting was not applied. The total cost of ultrasonographic screening was NOK 1,375,438 (1,690,000 - 315,562, the cost avoided for 2.6 fewer cases of late-discovered CDH).