critical appraisal

CAN 8: p-values

Simon Carley and Rick Body discuss the use and misuse of p-values in research, and what that means when critically appraising a paper. This short podcast introduction also links to explanations of p-values, confidence intervals and the fragility index.

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JC: Conservative management of chest trauma. St Emlyn’s

Can some traumatic pneumothoraces and haemothoraces be managed without a chest drain? This 2018 appraisal examines a UK observational study, including patients receiving positive-pressure ventilation. It considers selection bias, the limits of a single-centre dataset and the importance of monitoring when conservative management is chosen.

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