Relationship of blood and breath alcohol concentration in traffic victims.

ABSTRACT

A study of relationship of blood and breath alcohol Concentration in 120 patients in traffic victims in the Division of Trauma, Department of Surgery, Siriraj Hospital, The blood alcohol level revealed 0 to 330 mg% and breath alcohol 0 to 313 mg%. Mean interval of blood alcohol was 127.9250 mg% and of breath alcohol was 124.4417 mg% The relationship has linear regression equation was Y = 0.9189, X + 8.3478, Y = level of alcohol in blood measured by breathalyzer and X = level of alcohol in blood measured by Head Spread Gas chromo tography. The value of correlation coefficient is equal to 0.987 and is very significant in statistic value at the level of 0.001.