Effects of posterior lumbar nonfusion surgery with isobar devices versus posterior lumbar interbody fusion surgery on clinical and radiological features in patients with lumbar degenerative diseases: a meta-analysis

Table 2 Summary of meta-analysis results

Outcome indicators	Follow-up time (month)	Included number	Number of cases		Heterogeneity detection		Effect model	Meta-analysis results
Outcome indicators	Follow-up time (month)	Included number	ISOBAR	PLIF	I² (%)	P	Effect model	MD/OR (95% CI)	P
Surgical duration [8,9,10,11, 13, 14]	–	6	162	152	98	< 0.00001	Random	− 34.69 (− 66.42, − 2.96)	0.03
Intraoperative bleeding [8,9,10,11, 13, 14]	–	6	162	152	98	< 0.00001	Random	− 124.57(− 200.48, − 48.65)	0.001
ODI [8, 10,11,12, 14]	24	5	130	123	0	0.56	Fixed	− 0.11(− 1.05, 0.82)	0.81
VAS for LBP [8,9,10,11,12,13,14]	12	7	198	189	0	0.52	Fixed	0.05 (− 0.14, 0.25)	0.59
VAS for lower limb pain [8, 10]	24	2	72	62	35	0.21	Fixed	− 0.29 (− 0.56, − 0.01)	0.05
JOA score [9, 13]	12	2	66	66	0	0.84	Fixed	0.38 (− 0.29, 1.06)	0.27
Surgical segment ROM [8, 10, 14]	24	3	92	83	97	< 0.00001	Random	7.75 (7.35, 8.16)	< 0.00001
Lumbar ROM [10,11,12, 14]	24	4	94	75	0	0.75	Fixed	7.95 (6.37, 9.54)	< 0.00001
Number of ASD case [8, 9, 11, 13, 14]	12	5	164	155	0	0.96	Fixed	0.14 (0.04, 0.46)	0.0001

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