Table 1

Study configurations (refer to Figure 1 for corresponding images).

Model NameModel Description
Pedicle screwsPedicle screws, T10 to S1
S2 alar-iliacPED + S2 AI screws
Porous fusion/fixation implantPED + porous fusion/fixation implants
PFFI-IFSAIPED + porous fusion/fixation implants + triangular titanium implants
2-PFFIPED + stacked porous fusion/fixation implants