Table 1 The general characteristic of the included studies
Reference | Country | Mean age (years) | Sample size | Study type | Follow-up | O-TLIF | MI-TLIF |
|---|---|---|---|---|---|---|---|
Singh et al. [11] | USA | 51.67/49.85 | 33/33 | RCTs | 6 months | Midline incision | Unilateral approach |
Kulkarni et al. [12] | India | 51.55/50.40 | 36/25 | RCTs | 36.5 months | Posterior midline incision | Unilateral approach |
Lee et al. [13] | Singapore | 56.6/ 56.8 | 40/40 | RCTs | 24 months | NS | NS |
Seng et al. [14] | Singapore | 52.2/56.6 | 72/72 | RCTs | 60 months | Midline incision | Parasagittal incision |
Serban et al. [15] | USA | 51.3/ 50.1 | 24/23 | RCTs | 6 months | Midline skin | Parasagittal incision |
Wang et al. [16] | China | 56.4/ 54.2 | 42/39 | RCTs | 36.1 months | Midline open approach | NS |
Wang et al. [17] | China | 47.9/53.2 | 42/43 | RCTs | 26.3 months | Midline open approach | Unilateral approach |