Research has shown that about 38% of people with cystic fibrosis also have gastroparesis. According to The National Institutes Diabetes and Digestive and Kidney Diseases (NIDDK), about 10 men and 38 women of every 100,000 people have GP. The impact that GP has on a person depends on multiple factors which include gender, body mass, symptoms, and the degree of stomach delay. Learn more about this overlap.