Table 2.

Review of case series patient characteristics.

Parameter	Patient
	1	2	3
Sex	M	M	M
Age, y	55	35	34
Prior surgery	No	L4-5 microdiscectomy and laminectomy in 2015; revision in 2016 with postsurgical CSF leak	No
Prior steroids	Methylprednisolone dose pack 3 mo prior	Corticosteroid epidural, date unknown	Yes
Previous injection	Lumbar facets with Regenokine	Corticosteroid epidural, date unknown	Yes, intradiscal LP-PRP twice
Injectate	BMC	BMC	BMC
IV antibiotics	Yes, cefazolin	Yes, cefazolin	Yes, cefazolin
Antibiotics in contrast	Yes, 500 mcg gentamycin	No	No
Levels injected	2, L4-5, L5-S1	2, L3-5, L4-5	2, L4-5, L5-S1
Levels with complication	1, L5-S1	1, L3-4	1, L4-5
Confirmed pathogen	No	No, culture of fluid collection negative	Yes, C acnes
ESR (mm/hr)	115.5	49	41
CRP (mg/L)	35	4.9	82.9
WBC (109/L)	8.6	6.3	7.3
Fever	No	Yes	Yes
MRI findings	Endplate edema	Endplate edema	Endplate edema
Treatment	IV cloxacillin and oral rifampicin and moxifloxacin	IV cefepime, ceftriaxone, and steroids	IV ceftriaxone and oral amoxicillin
Outcome	Clinical improvement	Clinical improvement in pain after systemic steroids	Persistent pain leading to consideration of surgical fusion

Abbreviations: BMC, bone marrow concentrate; CRP, C-reactive protein; CSF, cerebrospinal fluid; ESR, erythrocyte sedimentation rate; IV, intravenous; LP, leukocyte poor; MRI, magnetic resonance imaging; PRP, platelet-rich plasma; WBC, white blood cell count.