Abstract:
This is across sectional study, conducted in Khartoum state during the period from August to October 2015to compare between PT (prothrombin time) and PTT(activated partial thromboplastin time) that obtained from the same sample by using same semi-automated devices (STAGO) in different lab ,each devices had a different quality control sample test, device (1) preformed commercial control ,device (2)preformed pool plasma , of one Hundred (100) Sudanese patients were informed about the study and agreed for participation as case and were entered in the tow study . Three ml venous blood was collected in Tri sodium citrate anticoagulant container. All blood samples were run in calibrated and close control two Same semi-automated devices(STAGO) which are found in two different laboratory, it used to measure PT and PTT and the results were analyzed by one T- test of the SPSS computer programmer. The means were found as following: PT (22.76 seconds), PTT (40.23 seconds).This study was concluded that: There was no significant difference (P = 0.783) in mean of PT (prothrombin time)in device (1) from device (2) and also There was no significant difference (P = 0.498) in mean of PTT (activated partial thromboplastin time)in device (1) from device (2).
