Fig. 1.
Flowchart demonstrating the flow of patients throughout the analysis. ACDF, anterior cervical discectomy and fusion; LDH, lumbar disc herniation; PROM, patient-reported outcome measure; TTS, time to surgery.
Flowchart demonstrating the flow of patients throughout the analysis. ACDF, anterior cervical discectomy and fusion; LDH, lumbar disc herniation; PROM, patient-reported outcome measure; TTS, time to surgery.