Multiple level anterior cervical discectomy and fusion versus posterior laminectomy for the management of multilevel cervical spondylotic myelopathy: clinical and radiological outcome

Table 7 Comparison between preoperative and postoperative mJOA scores and Cobb’s angle mean values in both groups

	Group										P	Sig.
	PL Group					ACDF Group
	Mean	±SD	Median	IQR		Mean	±SD	Median	IQR
mJOA percent of change	19.4	20.1	22.2	14.3	27.3	27.0	28.0	33.3	30.0	45.5	0.03	S
Cobb’s angle percent of change	−14.9	15.7	−11.1	−23.1	−2.6	17.9	23.2	18.7	11.9	33.3	0.001	HS

SD standard deviation, S significant, HS highly significant, IQR Interquartile range
Mann-Whitney test