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gPatient risk factors: body weight/surface area

Study nameOutcomeB (95%CI)CommentsRisk factor detailsOther detailsFactors adjusted for in multivariate analysis
change in temperature at 1h
body weight/surface area as continuous variable
Kurz 1995; prospective cohort study in 40 patientsB from regression (non-standardised)0.033 °C m2/kgStatistically significant, favours higher weight/surface area, but p values/SE not given (appears to be p<0.01), change in core temperature over 1st hourweight/surface area (calculated using formula)age: mean 59 y (SD 14), range 26–79 y; theatre temperature: maintained at 21.0°C (SD 0.4); ASA: I–III; no WD but fluids warmed; general anaesthesia; duration: mean duration of surgery 3.8 h (SD 1.3)multivariate included gender, height, weight, % body fat, surface area and weight/surface area ratio. Type of surgery comparable for different size patients. Type of anaesthesia constant. No consideration taken of age or ASA grade.

From: APPENDIX F, MULTIVARIATE RISK FACTORS

Cover of The Management of Inadvertent Perioperative Hypothermia in Adults
The Management of Inadvertent Perioperative Hypothermia in Adults [Internet].
NICE Clinical Guidelines, No. 65.
National Collaborating Centre for Nursing and Supportive Care (UK).
Copyright © 2008, National Collaborating Centre for Nursing and Supportive Care.

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