PMID- 34798341 OWN - NLM STAT- MEDLINE DCOM- 20220805 LR - 20220822 IS - 1878-8769 (Electronic) IS - 1878-8750 (Linking) VI - 158 DP - 2022 Feb TI - How Do Patient-Reported Outcomes Vary Between Lumbar Fusion Patients with Complete Versus Incomplete Follow-Up? PG - e717-e725 LID - S1878-8750(21)01743-5 [pii] LID - 10.1016/j.wneu.2021.11.041 [doi] AB - OBJECTIVE: We sought to assess differences in patient-reported outcome measures (PROMs) between patients who do and do not follow up for 2 years after lumbar fusion. METHODS: Primary, elective, single-level anterior lumbar interbody fusion, lateral lumbar interbody fusion, or transforaminal lumbar interbody fusion procedures were identified. Patients were grouped by 2-year PROM follow-up completion. Mean and delta PROM scores for visual analog scale (VAS) back and leg, Oswestry Disability Index (ODI), short-form (SF)-12 Physical Composite Score (PCS), and Mental Composite Score (MCS) were computed for both groups preoperatively and postoperatively. Minimum clinically important difference (MCID) achievement was determined for PROM scores using established threshold values. Linear and logistic regression assessed mean and DeltaPROM scores as predictors of 2-year follow-up completion and compared MCID achievement between groups, respectively. RESULTS: We included 316 lumbar fusion patients. PROM scores were more favorable for complete follow-up patients for 6-month VAS back (P = 0.003), 6-month and 1-year ODI (P