{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008183904,0.00008639215,0.000220109,0.000145227,0.0002020415,0.00001243435,0.0001069937,0.00003164859,0.0000600595],"category_scores_gemma":[0.0006808183,0.00006584331,0.0001043999,0.0003796955,0.00003684486,0.00004271536,0.0001257822,0.00007560508,0.000001531327],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001857431,"about_ca_system_score_gemma":0.0003421003,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006592239,"about_ca_topic_score_gemma":0.00002690029,"domain_scores_codex":[0.9989715,0.000105772,0.0002607235,0.0001874499,0.0003593547,0.0001152146],"domain_scores_gemma":[0.9991837,0.000221783,0.0001617739,0.0002857559,0.00007673424,0.00007021593],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003596305,0.0001144847,0.9754137,0.0009253778,0.001325063,0.00001789756,0.003540229,0.003612163,0.002389704,0.0006281037,0.00388861,0.007785012],"study_design_scores_gemma":[0.00282112,0.0002123135,0.9588718,0.0001684857,0.001903756,0.0000437395,0.0003247896,0.002904248,0.01435504,0.0001943137,0.01797096,0.0002294758],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9820005,0.000152201,0.004668901,0.01156942,0.0001207388,0.001345392,0.000009073685,0.00003252271,0.0001011904],"genre_scores_gemma":[0.996522,0.000002318304,0.001796181,0.0005801682,0.0000922988,0.0002788882,0.00006410889,0.00001136187,0.0006526681],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01654196,"threshold_uncertainty_score":0.2685012,"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."}}