Predictors and tactics for revision surgery in lateral lumbar interbody fusion

Table 4 Summary of clinical outcomes

Clinical Outcomes	Preoperative	6 Weeks Postoperatively	6 Months Postoperatively	12 Months Postoperatively	P
ODI	54.43 ± 9.68a	21.62 ± 6.18b	15.24 ± 3.33c	13.19 ± 2.40d	< 0.01 ^#
VAS	7.38 ± 1.07a	3.80 ± 1.66b	1.94 ± 0.97c	1.28 ± 0.72c	< 0.01 ^#
NASA	—	—	—	-0.967	0.334

VAS visual analog scale, ODI Oswestry Disability Index
^#repeated measure ANOVA, at least 1 identical subscript letter denoted no significant difference from each other

ISSN: 1471-2474