Objective To study the practicability of one-off vacuum blood sedimentation tube.Methods 220 cases were selected,and every patient was collected with 2 tube of blood.A tube was determined by one-off vacuum blood sedimentation tube,and B tube was determined by traditional westergren method.Read the number every one hour and the two methods were compared with each other.Results The measured value of one-off vacuum blood sedimentation tube was in accordance with the results of traditional westergren method.The...