Table 5. Logistic regression analysis of recanalization after 120 min thrombolytic therapy.

Parameters		P	OR	OR 95% CI
				Lower limits	Upper limits
Ultrasound Frequency	2.2 MHZ/1.6 MHZ	0.0010	14.22	2.74	116.00
	2.8 MHZ/1.6 MHZ	0.0186	7.09	1.36	55.91
	2.8 MHZ/2.2 MHZ	0.3087	0.50	0.12	1.89
Urokinase	180,000 IU/Kg/90,000 IU/Kg	0.0002	0.10	0.02	0.36