Table 3.

The outcomes of radiological parameters measured before and during follow-up.

	OLIF	TLIF	P
SP%
Pre-op	26 ± 5.25	26.47 ± 6.08	.826
Post-op 1 wk	14.03 ± 4.47	16.2 ± 4.79	.217
Post-op 3 mo	14.43 ± 4.11	17.13 ± 4.05	.063
Post-op 6 mo	14.49 ± 4.13	17.2 ± 4.02	.064
DH
Pre-op	8.96 ± 2.11	7.37 ± 2.28	.059
Post-op 1 wk	13.48 ± 1.95	11.50 ± 1.26	.002∗
Post-op 3 mo	12.52 ± 1.95	10.65 ± 12.45	.006∗
Post-op 6 mo	12.45 ± 1.91	10.58 ± 1.26	.005∗
FH
Pre-op	15.93 ± 2.84	15.84 ± 2.35	.926
Post-op 1 wk	19.75 ± 2.50	17.85 ± 2.36	.045∗
Post-op 3 mo	19.23 ± 2.47	17.37 ± 2.31	.045∗
Post-op 6 mo	19.13 ± 2.38	17.20 ± 2.32	.035∗
Cage subsidence
Post-op 3 mo	2/28 (7.1%)	3/35 (8.6%)	.84