Table 3.

Comparison of average thrombus clearance rate before and after thrombolytic therapy of the three groups.

			Average of thrombus clearance rate (%)
Group	Number of cases	Urokinase dosage (U/d)	2d	4d	6d	8d	10d	P
Controls	40	500,000	23.38 ± 6.93	42.8 ± 8.28	66.63 ± 6.93	79.50 ± 4.72	83.38 ± 3.77	<.001∗
Group A	40	500,000	32.63 ± 13.73	57.38 ± 17.30	78.19 ± 13.26	90.58 ± 10.42	95.00 ± 13.26
Group B	40	500,000	27.50 ± 11.98	49.38 ± 15.41	72.00 ± 12.86	82.27 ± 17.34	86.00 ± 14.08