Double logarithmic, linear relationship between plasma chloride concentration and time since death in humans in Chandigarh Zone of North-West India

Estimation of time since death with the change in chloride concentration in postmortem blood is the topic of discussion in the study. Querido (Forensic Sci Int 45 (1990) 117) had demonstrated a highly significant double logarithmic linear relationship between the plasma chloride concentration and po...

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Bibliographic Details
Published in:Legal medicine (Tokyo, Japan) Japan), 2003-03, Vol.5 (1), p.49-54
Main Authors: Singh, Dalbir, Prashad, Rajinder, Parkash, Chandra, Sharma, Suresh Kumar, Pandey, Avadh Naresh
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Aged
Cause of Death
Child
Chlorides - blood
Double logarithmic relationship
Female
Humans
India
Male
Mathematics
Middle Aged
Plasma chloride concentration
Postmortem Changes
Postmortem interval
Regression Analysis
Sex Factors
Temperature
Time Factors
Time since death
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Summary:Estimation of time since death with the change in chloride concentration in postmortem blood is the topic of discussion in the study. Querido (Forensic Sci Int 45 (1990) 117) had demonstrated a highly significant double logarithmic linear relationship between the plasma chloride concentration and postmortem interval in Wistar rats. Henceforth, the present study was carried out to substantiate this propensity in humans. Chloride concentration in postmortem blood of 474 subjects revealed a highly significant relationship between logarithm of plasma chloride concentration and logarithm of the time since death during 3–58 h of death. Notwithstanding, time since death can be predicted from plasma chloride concentration with standard error of estimate of 2.1 h but factors like environmental temperature, cause of death, age and gender influences it significantly.
ISSN:1344-6223
1873-4162
DOI:10.1016/S1344-6223(02)00056-1