{"id":"W4229077790","doi":"10.1136/bmj-2022-070230","title":"Development and validation of the symptom burden questionnaire for long covid (SBQ-LC): Rasch analysis","year":2022,"lang":"en","type":"article","venue":"BMJ","topic":"Long-Term Effects of COVID-19","field":"Medicine","cited_by":138,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"UCB Pharma; National Institute for Health Research Applied Research Collaboration West; Daiichi Sankyo Europe; European Regional Development Fund; Medical Research Council; Astellas Pharma; Surgical Reconstruction and Microbiology Research Centre; University of Birmingham; National Institute for Health and Care Research; University Hospitals Birmingham NHS Foundation Trust; Gilead Sciences; Macmillan Cancer Support; Birmingham Biomedical Research Centre; UK Research and Innovation; Patient-Centered Outcomes Research Institute; National Institute for Health and Care Excellence; GlaxoSmithKline","keywords":"Rasch model; Patient-reported outcome; Thematic analysis; Content validity; Medicine; Clinical psychology; Rating scale; Psychology; Scale (ratio); Item analysis; Face validity; Debriefing; Psychometrics; Quality of life (healthcare); Qualitative research; Nursing; Medical education","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":[0.04820406,0.0006410436,0.001244429,0.003550383,0.0006959563,0.001415495,0.001106958,0.0005814368,0.00232954],"category_scores_gemma":[0.08190612,0.0006071731,0.002399723,0.003740257,0.0006961441,0.001063602,0.002216425,0.001301757,0.0007663001],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001531076,"about_ca_system_score_gemma":0.004265301,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003892252,"about_ca_topic_score_gemma":0.009291287,"domain_scores_codex":[0.9579344,0.0218357,0.007388688,0.002121535,0.01002229,0.0006972394],"domain_scores_gemma":[0.9425427,0.02129331,0.01031558,0.003286321,0.02183342,0.0007287565],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009239164,0.0008154653,0.681775,0.004203553,0.001527746,0.0001522923,0.004177539,0.002134124,0.002317654,0.001219767,0.01396863,0.2867844],"study_design_scores_gemma":[0.0003832205,0.001637009,0.9713009,0.001856693,0.0005000865,0.0002553374,0.001346804,0.003480809,0.001212058,0.001062587,0.01682236,0.0001420891],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.789835,0.008795612,0.1157059,0.002827638,0.0005037346,0.04488299,0.02561471,0.000584438,0.01124995],"genre_scores_gemma":[0.7904402,0.003106631,0.1249501,0.001058243,0.0002116619,0.05827878,0.01981663,0.0002213914,0.001916444],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04820406,"threshold_uncertainty_score":0.2549305,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01614276017307085,"score_gpt":0.3230067315838693,"score_spread":0.3068639714107984,"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."}}