Table 1.
Clinical outcomes.
| Group | N | Low back pain | Leg pain | OID (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | FFU | Pre | Post | FFU | Pre | Post | FFU | ||
| A | 27 | 3.9 ± 1.3 | 1.9 ± 0.6∗ | 0.9 ± 0.7‡ | 5.0 ± 1.0 | 1.3 ± 0.8† | 0.9 ± 0.7 | 42.4 ± 14.7 | 16.7 ± 5.6§ | 4.8 ± 3.4II |
| B | 35 | 4.2 ± 1.2 | 2.0 ± 0.7∗ | 0.9 ± 0.6‡ | 4.9 ± 0.9 | 1.2 ± 0.8† | 0.9 ± 0.8 | 48.1 ± 14.8 | 15.1 ± 5.3§ | 5.9 ± 3.0II |
| t | −0.76 | −0.68 | −0.18 | 0.62 | 0.48 | −0.03 | −1.51 | 1.22 | −1.38 | |
| p | 0.45 | 0.50 | 0.86 | 0.54 | 0.64 | 0.98 | 0.14 | 0.23 | 0.17 | |
Pre: preoperative; Post: postoperative; FFU: final follow-up. ∗†Repeated ANOVA results showed the VAS scores of low back pain and leg pain in the two groups were statistically different between preoperation and postoperation (P < 0.05). ‡Repeated ANOVA results showed the VAS scores of low back pain in the two groups were statistically different between postoperation and the final follow-up (P < 0.05). §IIRepeated ANOVA results showed the ODI in the two groups was statistically different between preoperation and postoperation and postoperation and the final follow-up (P < 0.05).