Demographics and clinical characteristics of 344 patients with pyogenic spondylitis.

C, cervical; GNB, Gram-negative bacteria; GPC, Gram-positive cocci; L, lumbar; S, sacrum; SD, standard deviation; T, thoracic; WBC, white blood cell count a In one case of GNB and eight of the GPC group patients, the neurologic staging was not evaluable due to other underlying neurologic disease b In eight case of GNB and twenty nine of the GPC group patients, mortality and the neurologic staging were not evaluable due to transfer to another hospital during treatment Demographics and clinical characteristics of 344 patients with pyogenic spondylitis.