Interobserver reliability studies of grading scales (stenosis, disc) are abundant
Prospective linkage of imaging grade to functional/surgical outcome is scarce
Reliability is cheap (re-read existing scans); outcome linkage needs longitudinal follow-up
This is an educational research resource from Resonant Labs, not clinical advice. Atlas assessments are heuristic, not probabilities or formal GRADE ratings. Findings are summarized from the literature and may change as the field evolves.