Biomaterial Database

Bleeding time: is it a useful clinical tool? 1992

S W O'Kelly, and E G Lawes, and J B Luntley

Shackleton Department of Anaesthetics, Southampton General Hospital.

The bleeding times of five volunteers were assessed individually by each of 12 observers. The reliability of the measurements obtained was examined by comparing statistically the variability between subjects and between observers. This variability was found to be similar for both groups. Consequently, we suggest that the bleeding time estimation is an unreliable test and should not be used in isolation without reference to the salient features of a history and examination, when determining if an individual patient is at risk of haematoma formation as a complication of regional anaesthetic techniques.

UI	MeSH Term	Description	Entries
D001760	Bleeding Time	Duration of blood flow after skin puncture. This test is used as a measure of capillary and platelet function.	Aspirin Tolerance Test,Bleeding Time, Template,Duke Method,Ivy Method,Template Bleeding Time,Aspirin Tolerance Tests,Bleeding Times,Bleeding Times, Template,Method, Duke,Method, Ivy,Template Bleeding Times,Test, Aspirin Tolerance,Tests, Aspirin Tolerance,Time, Bleeding,Time, Template Bleeding,Times, Bleeding,Times, Template Bleeding,Tolerance Test, Aspirin,Tolerance Tests, Aspirin
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015588	Observer Variation	The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material).	Bias, Observer,Interobserver Variation,Intraobserver Variation,Observer Bias,Inter-Observer Variability,Inter-Observer Variation,Interobserver Variability,Intra-Observer Variability,Intra-Observer Variation,Intraobserver Variability,Inter Observer Variability,Inter Observer Variation,Inter-Observer Variabilities,Inter-Observer Variations,Interobserver Variabilities,Interobserver Variations,Intra Observer Variability,Intra Observer Variation,Intra-Observer Variabilities,Intra-Observer Variations,Intraobserver Variabilities,Intraobserver Variations,Observer Variations,Variabilities, Inter-Observer,Variabilities, Interobserver,Variabilities, Intra-Observer,Variabilities, Intraobserver,Variability, Inter-Observer,Variability, Interobserver,Variability, Intra-Observer,Variability, Intraobserver,Variation, Inter-Observer,Variation, Interobserver,Variation, Intra-Observer,Variation, Intraobserver,Variation, Observer,Variations, Inter-Observer,Variations, Interobserver,Variations, Intra-Observer,Variations, Intraobserver,Variations, Observer

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