Laf-dhabarta discitis waxay ka dhigan tahay 2% ilaa 7% dhammaan caabuqyada murqaha ee ay keento bakteeriyada, fungi, iyo, marar dhif ah, dulin. Qiyaastii kala badh dhammaan xaaladaha caabuqa laf-dhabarka waxay ku yaalaan laf-dhabarka lumbar, wax yar ka badan saddex-meelood meel laf dhabarta thoracic, iyo inta soo hartay ee laf-dhabarka ilmo-galeenka.