{"id":"W4379107392","doi":"10.1016/j.spinee.2023.05.015","title":"What is the role of CT-based Hounsfield unit assessment in the evaluation of bone mineral density in patients undergoing 1- or 2-level lumbar spinal fusion for degenerative spinal pathologies? A prospective study","year":2023,"lang":"en","type":"article","venue":"The Spine Journal","topic":"Bone health and osteoporosis research","field":"Medicine","cited_by":26,"is_retracted":false,"has_abstract":false,"ca_institutions":"Alberta Children's Hospital; University of Calgary","funders":"","keywords":"Medicine; Hounsfield scale; Lumbar; Osteoporosis; Osteopenia; Coronal plane; Prospective cohort study; Bone mineral; Lumbar vertebrae; Nuclear medicine; Radiology; Sagittal plane; Surgery; Computed tomography; Internal medicine","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00553608,0.0006916015,0.001137693,0.001106302,0.0006010048,0.001957898,0.001153572,0.002737943,0.001177838],"category_scores_gemma":[0.01653792,0.0008822133,0.001548545,0.001493848,0.001527398,0.00279611,0.0006357609,0.0013924,0.0004211718],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004477838,"about_ca_system_score_gemma":0.0008739392,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003312601,"about_ca_topic_score_gemma":0.004432176,"domain_scores_codex":[0.9979442,0.0007760822,0.0003532297,0.0002952947,0.0004045221,0.0002267731],"domain_scores_gemma":[0.9900864,0.004793208,0.002535272,0.0006969253,0.001114095,0.0007741686],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009647388,0.0002205606,0.9963009,0.00004091895,0.0001968898,0.00006293059,0.00009834921,0.00003774952,0.0001244039,0.00002422757,0.00003997679,0.001888286],"study_design_scores_gemma":[0.000137494,0.001824161,0.9949712,0.00006758884,0.0005640255,0.0005461139,0.0006766528,0.0006227614,0.000125962,0.00009529229,0.000338481,0.00003019151],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964503,0.002502426,0.0001950767,0.0001712116,0.00003690472,0.00002872134,0.0001170496,0.000002547824,0.0004956775],"genre_scores_gemma":[0.9985816,0.0006580523,0.0002515471,0.000136215,0.00008143317,0.00001677989,0.0001578114,0.000002840045,0.0001136984],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00553608,"threshold_uncertainty_score":0.02927792,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1342745707075563,"score_gpt":0.4426645976444247,"score_spread":0.3083900269368685,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}