PPIB and ulcerative colitis: Changes in Gastrointestinal Symptoms, Subjective Health, SEO Index, LDL Cholesterol, and Fasting Glucose Over Time in Patients With Ulcerative Colitis, Eating Products Containing Oat Bran (12 g Dietary Fiber, 6 g β-Glucan) or Wheat (Control, 5 g Dietary Fiber, <0.5 g β-Glucan), and Fulfilling the 24-Week Study (n = 47/47) (Mean ± SDa)