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Patient Demographics (N = 775).
| Surgery type, n (%) | |
| TPIF | 590 (76.12) |
| ALIF | 171 (22.06) |
| OAIF | 14 (1.8) |
| Gender, n (%) | |
| Male | 418 (53.93) |
| Female | 357 (46.07) |
| Age, years | |
| Mean | 64.8 |
| Range | 32-82 |
Abbreviations: ALIF, anterior lumbar interbody fusion; OAIF, oblique anterior lumbar interbody fusion; TPIF, transpsoas lumbar interbody fusion.
