Table 1 Basic characteristics of the studies included
Inclusion study | Language | Nationality | Segmental operation of lesion | Number of cases | Gender (male/female) | Age (years) | Follow-up time (months) | Outcome indicators | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Isobar | PLIF | Isobar | PLIF | Isobar | PLIF | ||||||
Wen 2011 [9] | Chinese | China | 1–2 | 36 | 36 | 21/15 | 14/22 | 52.3 ± 12.2 | 51.2 ± 10.9 | 24 | 1.2.4.6.9 |
Li 2011 [10] | Chinese | China | 1 | 14 | 14 | 6/8 | 7/7 | 48.9 ± 13.6 | 52.5 ± 12.1 | 24 | 1.2.3.4.5.7.8 |
Xu 2013 [11] | Chinese | China | 1 | 20 | 20 | – | – | – | – | 12, 24, 36 | 3.4.8.9 |
Liu 2015 [12] | Chinese | China | 1–2 | 20 | 20 | 11/9 | 12/8 | 53.4 ± 13.2 | 55.2 ± 8.9 | 3, 6, 12, 24 | 3.4.8 |
Yang 2015 [8] | English | China | 1 | 62 | 51 | 36/26 | 29/22 | 44.31 ± 13.01 | 46.59 ± 12.06 | 6, 24, 48 | 1.2.3.4.5.7.9 |
Feng 2017 [13] | Chinese | China | 1–2 | 30 | 30 | 12/18 | 11/19 | 58.3 ± 7.8 | 57.6 ± 8.2 | 6, 12 | 1.2.4.6.9 |
Ji 2020 [14] | English | China | 2 | 20 | 21 | 8/12 | 11/10 | 64 ± 7.78 | 61 ± 6.5 | 24, 36 | 1.2.3.4.7.8.9 |