I-Spinal discitis yenza i-2% ukuya kwi-7% yazo zonke izifo ze-musculoskelet ezibangelwa ibhaktheriya, i-fungi, kwaye, ngokungaqhelekanga, ngama-parasites. Phantse isiqingatha sazo zonke iimeko zokusuleleka komgogodla zifumaneka kwi-lumbar spine, kancinane ngaphezu kweyesithathu kwi-thoracic spine, kunye nentsalela kumqolo wesibeleko.