Demographic data for each study.
| Study | Age, y, mean | BMI, mean | Prone Single Position LLIF (N) | LLIF (N) | % Women | No. of Levels of Fusion, mean |
| Amaral 202321 | 57.2 | - | 18 | 53 | 64.8 | 1 |
| Buckland 202314 | 60.7 | 30.1 | 43 | 58 | 52.5 | 2.3 |
| Diaz-Aguilar 202324 | 64.5 | 31.9 | 363 | - | 57 | - |
| Farber 202218 | 67.9 | 28.9 | 28 | 75 | 1.39 | |
| Godzik 202015 | 61 | 26.5 | 11 | - | 54.5 | 1.42 |
| Lamartina 202023 | 53.8 | 26.3 | 7 | 10 | 70.6 | 1 |
| Patel 202325 | - | 30.4 | 155 | - | 60 | 1.61 |
| Pimenta 202116 | 64.3 | - | 32 | - | 56.3 | - |
| Pimenta 202116 | 65 | 27 | 34 | - | - | 1.62 |
| Smith 202126 | - | 33 | 120 | - | - | 1.48 |
| Soliman 202222 | 61.6 | 30.3 | 10 | 10 | 55 | 1.2 |
| Soliman 202322 | 60.1 | 32.3 | 15 | - | 53.3 | 1.07 |
| Walker 202117 | 62 | 28.5 | 15 | 15 | 60 | 1 |
| Wang 202227 | 60.4 | 31.6 | 24 | - | 58.3 | 1.21 |
| Wellington 202330 | 63 | - | 82 | - | 56.1 | 1.62 |
Abbreviations: BMI, body mass index; LLIF, lateral lumbar interbody fusion.