Effect of Two Types of Anticoagulant Tubes on Partial Thromboplastin Time
The effect of two types of anticoagulant tubes on partial thromboplastin time(PTT)is discussed.This study conducts PTT test on the caps,bodies and anticoagulants of two anticoagulant tubes from two manufacturers respectively.Compared with blank or negative control,the tube caps of these two types of anticoagulant tubes have no significant effect on PTT(P＞0.05);the body of anticoagulant tube A has no significant effect on PTT(P＞0.05),but the PTT of tube B is significantly lower than that of the blank and negative control(P＜0.05).Compared with blank control,the anticoagulants of the two types of anticoagulant tubes have no significant effect on PTT(P＞0.05);but compared with negative control,the PTT of these two anticoagulant tubes is significantly increased(P＜0.05).This result indicates that the main factor affecting PTT result of anticoagulant tubes is the body of anticoagulant tubes.
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