TABLE 4.
VAS score of Wiltse, MIS‐TLIF, and PLIF group
| VAS | Preoperative | 7 days | 3 months | 6 months | 12 months | F | p |
|---|---|---|---|---|---|---|---|
| Low back pain | |||||||
| Wiltse | 3.17 ± 2.42a | 3.14 ± 1.09a | 1.72 ± 0.84c | 1.17 ± 0.89d | 0.86 ± 0.74e | 32.889 * | <0.001 * |
| MIS‐TLIF | 2.68 ± 2.41a | 2.89 ± 1.17a | 1.68 ± 0.91c | 1.04 ± 0.79d | 0.79 ± 0.63e | 38.801 * | <0.001 * |
| PLIF | 2.80 ± 2.17a | 4.20 ± 1.19b | 2.77 ± 0.90a | 2.17 ± 0.79c | 1.93 ± 0.83d | 39.072 * | <0.001 * |
| F value | 0.350 | 10.729 | 14.363 | 16.435 | 22.124 | ‐ | ‐ |
| p value | 0.706 & | <0.001 & | <0.001 & | <0.001 & | <0.001 & | ‐ | ‐ |
| Lower limb pain | |||||||
| Wiltse | 5.34 ± 2.21a | 2.07 ± 0.96b | 1.24 ± 0.83c | 0.55 ± 0.74d | 0.41 ± 0.63e | 36.783 * | <0.001 * |
| MIS‐TLIF | 4.96 ± 2.25a | 2.00 ± 0.98b | 1.25 ± 0.89c | 0.68 ± 0.72d | 0.43 ± 0.57e | 31.628 * | <0.001 * |
| PLIF | 4.80 ± 2.12a | 1.80 ± 1.03b | 1.20 ± 0.89c | 0.80 ± 0.76d | 0.47 ± 0.57e | 33.415 * | <0.001 * |
| F value | 0.476 | 0.586 | 0.028 | 0.828 | 0.063 | ‐ | ‐ |
| p value | 0.623 & | 0.559 & | 0.973 & | 0.440 & | 0.939 & | ‐ | ‐ |
Note: Bold indicates statistically significant values. Multiple comparisons of each variable at different time points using the Bonferroni post hoc test, and at least one identical subscript letter denoted no significant difference from each other at the 0.05 level.
Abbreviations: Wiltse, Wiltse approach transforaminal lumbar interbody fusion; MIS‐TLIF, minimally invasive transforaminal lumbar interbody fusion; PLIF, posterior lumbar interbody fusion.
&
One‐way analysis of variance.
*
Repeated measurement analysis of variance.