Meta-analysis of the efficacy and safety of OLIF and TLIF in the treatment of degenerative lumbar spondylolisthesis

Table 2 Incorporating the meta-analysis results of the include research literature

Outcome measures	Number of OLIF	Number of TLIF	Heterogeneity test (I²)%	Test model	Combined statistics	Values of combined statistics (95% CI)	P
Surgical duration [12, 13, 15, 16, 18,19,20,21,22,23,24,25]	313	349	97	Random-effects model	MD	−21.58 [−31.86, −11.30]	< 0.05
Intraoperative blood loss [12, 13, 15, 16, 18,19,20,21,22,23,24,25]	313	349	100	Random-effects model	MD	−117.09 [−181.46, −52.72]	< 0.05
Length of hospital stay [14,15,16, 18,19,20, 23, 25]	200	230	93	Random-effects model	MD	−3.90 [−2.60, −2.12]	< 0.05
Postoperative VAS score [12,13,14,15,16,17,18,19,20,21,22,23,24,25]	355	407	18	Fixed-effects model	MD	−0.13 [−0.21, −0.06]	< 0.05
Postoperative ODI score [12,13,14,15,16, 18,19,20,21,22,23,24,25]	334	370	32	Fixed-effects model	MD	−0.58 [−0.95, −0.21]	< 0.05
Postoperative JOA score [13, 22, 23]	62	77	71	Random-effects model	MD	0.57 [0.36, 1.50]	> 0.05
Postoperative DH [12, 13, 16,17,18,19,20,21,22,23,24]	348	386	91	Random-effects model	MD	1.19 [0.55, 1.84]	< 0.05
Postoperative LL [16, 17, 19,20,21,22,23,24,25]	200	220	27	Fixed-effects model	MD	1.82 [0.88, 2.75]	< 0.05
Postoperative complication rate [12, 13, 15,16,17,18,19,20,21,22,23,24,25]	384	433	23	Fixed-effects model	OR	1.05 [0.72, 1.52]	> 0.05
Interbody fusion rate [12, 13, 16, 22,23,24]	108	113	0	Fixed-effects model	OR	1.84 [0.57, 5.97]	> 0.05

ISSN: 1749-799X