Spinal discitis yana da kashi 2% zuwa 7% na duk cututtukan musculoskeletal da ƙwayoyin cuta, fungi, da kuma, da wuya, ta hanyar parasites. Kimanin rabin dukkanin cututtukan cututtuka na kashin baya suna samuwa a cikin kashin baya na lumbar, dan kadan fiye da kashi uku a cikin kashin thoracic, da sauran a cikin kashin mahaifa.