2002
DOI: 10.1136/emj.19.2.186
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Advanced paediatric life support, 3rd edn: Advanced Life Support Group. (pound25). BMJ Books, 2001. ISBN 0-7279-1554-1

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“…Common clinical cut-offs were used for continuous data where possible (high temperature >37.8°C) 23 and were age-related if appropriate (age-specific heart and respiratory rates and blood pressure). 24 UK guidelines for low oxygen saturation level (≤95%) were used. 25 Given the large number of variables, continuous variables were dichotomised using 25 th or 75 th percentile cut-offs as appropriate.…”
Section: Methodsmentioning
confidence: 99%
“…Common clinical cut-offs were used for continuous data where possible (high temperature >37.8°C) 23 and were age-related if appropriate (age-specific heart and respiratory rates and blood pressure). 24 UK guidelines for low oxygen saturation level (≤95%) were used. 25 Given the large number of variables, continuous variables were dichotomised using 25 th or 75 th percentile cut-offs as appropriate.…”
Section: Methodsmentioning
confidence: 99%
“…This pragmatic cut-off was chosen prior to analysis to avoid severity variables with very low prevalence. We used accepted clinical cut offs (temperature > 37.8 °C, [ 23 ] capillary refill time (CRT) ≥3 s, [ 24 , 25 ] oxygen saturation ≤ 95% [ 26 ]) or 25th percentile or 75th percentile thresholds to dichotomise continuous data, and we used age-adjusted thresholds for heart and respiratory rates [ 27 ]. Given the large number of variables being tested, continuous outcomes were initially categorised to help interpret and contextualise the final model, a sensitivity analysis was then conducted to assess the distribution of these continuous variables if included in the model.…”
Section: Methodsmentioning
confidence: 99%