MPO and inflammatory bowel disease: IBD induction led to a significant (p < 0.001) increase in MPO levels to 61,739.57 ± 16,904.11 and 32,552.37 ± 7002.41 on days 2 and 4, although levels on day 7 (10,662.75 ± 9043.36 ng/mg protein) were not significantly different from control (IBD, no BSB).