Thromboelastography in elective total hip arthroplasty

Table 3 Perioperative conventional coagulation test findings in patients undergoing total hip arthroplasty

Conventional coagulation test	Anesthetic type	Baseline	Post-op day 5
Prothrombin time (min)	GA	12 (12-12)	12 (11-12)
	SA	12 (12-13)	12 (12-13)
INR	GA	0.9 (0.9-1.0)	0.9 (0.9-1.0)
	SA	1.0 (0.9-1.0)	1.0 (0.9-1.0)
aPTT (sec)	GA	32 (30-35)	32 (29-35)
	SA	32 (30-34)	32 (29-34)
Fibrinogen level (g/dL)	GA	3.1 (2.9-3.3)	4.6 (4.1-5.3)b
	SA	3.1 (2.9-3.6)	4.5 (4.0-4.9)b

All results are presented as median with interquartile range.

^bP < 0.01 compared to baseline in each group. GA: General anesthesia; SA: Spinal anesthesia; INR: International normalized ratio; aPTT: Activated partial thromboplastin time.