Table.

Clinical characteristics, laboratory findings, and hospital courses of case-patients who underwent myelograms at Clinic A, October 25, 2010

					CSF Studies
	Presenting Symptoms	Time From Myelogram to Presentation (hr)	Temperature on Presentation	Peripheral White Blood Cell Count (cells/mm3), % Neutrophils, % Bands	White Cells (cells/μL), % Neutrophils	Protein (mg/dL)	Glucose (mg/dL)	CSF Culture	Antibiotics received (Duration in days)	Number of Days in the Hospital‡
Case 1	Headache, nausea, poor concentration	20	37.3°C (99.2°F)	26,800, 91.8%, 0%	3,890, 89%	664	28	No growth†	Vancomycin/ceftriaxone (14 d)	6
Case 2	Headache, photophobia, nausea, vomiting	14	36.3°C (97.3°F)	5,780, 47.5%, 0%	145, 87%	129	61	Viridians streptococci	Vancomycin/ceftriaxone (4 d); penicillin G (10 d)	11
Case 3	Headache, fever, confusion	27	37.6°C (99.6°F)	17,100, 77.0%, 17%	Lumbar puncture was not performed*		10		Vancomycin/ceftriaxone (10 d)	10

Note: CSF = cerebrospinal fluid.

^*Lumbar puncture was not performed because admission CT scan was read as possible cerebral edema.

^†Case-patient received initial antibiotics ≥2 hours before lumbar puncture.

^‡Cases 1 and 2 were admitted to an intensive care unit during a part of their hospitalization.