Table 1. Demographic characteristics.
Values are presented as number or mean±standard deviation.
BMD, bone mineral density; OLIF, oblique lateral interbody fusion; PS, pedicle screws; PPS, percutaneous pedicle screws.
Values are presented as number or mean±standard deviation.
BMD, bone mineral density; OLIF, oblique lateral interbody fusion; PS, pedicle screws; PPS, percutaneous pedicle screws.