Biomed Pap
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To determine the inter-observer reproducibility of 15 tests used for predicting difficult tracheal intubation (DI). ⋯ Best inter-rater agreement was found for the assessment of neck circumference while the highest discrepancies between raters were in goniometrically-measured mobility of the C-spine. Many of the pre-operative airway tests had only fair inter-observer reproducibility. This may be one reason why models for predicting difficult intubation are not universally reliable.