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Table 1 PICO framework of the study

From: Investigation into the biomechanics of lumbar spine micro-dynamic pedicle screw

Patient/Problem Intervention Comparison Outcome
Patients undergoing lumbar rigid fixation and fusion/ Acceleration of adjacent segment degeneration (ASD) and loosening and rupture of internal fixators Dynamic stabilization using micro-dynamic pedicle screws Traditional rigid pedicle screws ROM of the surgical level, stress on the endplate, stresses on the implants