Comparison of anterior cervical diskectomy with fusion (ACDF) and laminoplasty treating multilevel cervical spondylotic myelopathy with developmental canal stenosis: a retrospective study

Table 4 Comparison of space-reserving and non-space-reserving subgroups in the ACDF group

	N	Recovery rate	Preoperative mJOA score	mJOA score at final follow-up	P
Space-reserving	5	− 6.88 ± 32.10	11.30 ± 1.82^†	11.00 ± 2.62^†	0.736^†
Non-space-reserving	14	55.63 ± 24.04	11.82 ± 1.97^†	14.50 ± 2.04^†	< 0.001^†
P		0.000	0.612	0.007

“^†” means the p-value corresponding to both groups' mJOA score at preoperative and final follow-up; P, P value and mJOA, Modified Japanese Orthopaedic Association

ISSN: 1749-799X