Table 3.
Preoperative VAS-BP/LP score and ODI of included studies (MIS: open), mean±SD
| Studies | VAS-BP | VAS-LP | ODI |
|---|---|---|---|
| Wong et al.[25] | 6.37:6.72 | 8.90:8.82 | 52.8:51.2 |
| Sulaiman and Singh[30] | 7.3 ± 0.91:7.3 ± 1.41 | NR | 53.7 ± 6.32:57.8 ± 9.41 |
| Tian et al.[31] | 4.86 ± 1.16:4.87 ± 1.29 | 6.35 ± 1.41:6.41 ± 1.32 | 43.56 ± 4.85:44.71 ± 5.42 |
| Singh et al.[18] | 6.94 ± 1.85:7.67 ± 1.29 | NR | NR |
| Chu et al.[36] | 7.64 ± 0.78:7.64 ± 0.78 | NR | 62.15 ± 4.51:59.17 ± 5.05 |
| Zheng et al.[32] | 4.9 ± 2.5:5.4 ± 2.2 | 6.6 ± 2.4:6.0 ± 2.8 | 23.3 ± 10.2:23.8 ± 9.0 |
| Saetia et al.[29] | 8.75 ± 1.60:7.92 ± 1.62 | NR | 61.80 ± 12.89:58.33 ± 15.96 |
| Gu et al.[28] | 7.3 ± 1.2:7.4 ± 1.0 | 7.6 ± 0.9:7.7 ± 0.9 | 43.7 ± 4.3:44.3 ± 5.2 |
| Brodano et al.[27] | 7.8 ± 1.4:8.1 ± 1.5 | NR | 42 ± 6.2:46 ± 7.1 |
| Zairi et al.[26] | 7.3:7.2 | 7.1:6.8 | 60:60 |
| Rodríguez-Vela et al.[19] | 7.04 ± 1.12:7.19 ± 2.21 | 7.31 ± 2.05:7.53 ± 1.23 | 28.85 ± 5.52:27.19 ± 8.19 |
| Parker et al.[17] | 8.1 ± 2.6:8.5 ± 2.2 | 6.5 ± 3.6:6.9 ± 3.3 | 32.3 ± 6.7:34.3 ± 7.9 |
| Yang et al.[33] | 7.79 ± 0.88:7.71 ± 0.86 | NR | 57.95 ± 4.61:58.17 ± 5.05 |
| Lee et al.[16] | 6.3 ± 2.9:6.3 ± 2.9 | 5.8 ± 3.3:6.2 ± 3.1 | 48.1 ± 18.8:44.4 ± 18.0 |
| Wang et al.[34] | 4.9 ± 1.0:5.0 ± 1.0 | NR | 58.8 ± 6.7:57.8 ± 6.7 |
| Liang et al.[35] | 5.7 ± 1.3:5.6 ± 1.4 | 7.1 ± 1.3:7.2 ± 1.3 | 80.9 ± 6.8:81.3 ± 7.5 |
| Shunwu et al.[22] | 6.8 ± 1.2:6.8 ± 1.4 | NR | 49.7 ± 11.8:52 ± 12 |
| Wang et al.[24] | 7.2 ± 2.1:7.4 ± 1.6 | NR | 41.2 ± 6.6:38.5 ± 7.4 |
| Villavicencio et al.[23] | 7.4:8.0 | NR | NR |
| Schizas et al.[21] | 7.7:5.0 | NR | 55:53 |
VAS-BP/LP: Visual analog score-back pain/leg pain; ODI: Oswestry Disabilities Index; SD: Standard deviation; NR: Not report; MIS: Minimally invasive surgery.