Low Back Pain, Disability, and Quality of Life One Year following Intradiscal Injection of Autologous Bone Marrow Aspirate Concentrate

Table 4

Disc evaluation.

Variable	Value
	Per patient	Per level
Preprocedure MRI
Total	32	92
No Modic changes	12 (37.5)	55 (59.8)
Modic 1-2	20 (62.5)	37 (40.2)
Modic 3	0 (0.0)	0 (0.0)
Pfirrmann grades 1-2	2 (6.3)	9 (9.8)
Pfirrmann grades 3-5	30 (93.8)	83 (90.2)
Postprocedure MRI
Total	13 (40.6)	40 (43.5)
No Modic changes	4 (30.8)	26 (65.0)
Modic 1-2	9 (69.2)	14 (35)
Modic 3	0 (0.0)	0 (0.0)
Pfirrmann grades 1-2	0 (0.0)	4 (10.0)
Pfirrmann grades 3-5	13 (100)	36 (90.0)

Values represent the number of patients (%) or . MRI: magnetic resonance imaging.