ABSTRACT
The cases of 404 road traffic accident patients from 4 hospitals in Bangkok have been studied. The ratio between male to female was about 20:1. Most patients were between 21 and 30 years old and 83.42% were below 40 year old. Most accidents happened between 01.00 am and 4.00 am, some between 8.00 pm and 12.00 pm. Most of the victims were drivers (63.12%), 15.59% were passengers and 7.92% were pedestrians. Most of the vehicles involved were motorcycles (58.67%). The commonest injuries were to the head and face (44.48%), leg and head (35.26%) and trunk (4.86%). Over half of the patients tested positive for alcohol in the blood (55.69%), 50.25% of these patients had alcohol concentration over 50 mg.% and a further 22.27% had concentration of 50-150 mg.