Table IV.

Echocardiographic parameters at baseline, after treatment, and at follow-up

	Baseline		Within 30 days		Within 12 months		Difference: baseline vs 30 days		Difference: baseline vs 12 months
	CDI	ST	CDI	ST	CDI	ST	CDI	ST	CDI	ST
RV/LV ratio	1.01 ± 0.22	1.06 ± 0.19	0.83 ± 0.18	0.93 ± 0.18	0.75 ± 0.17	0.83 ± 0.11	O.27± 0.20	0.18 ± 0.15	0.28 ± 0.18	0.35 ± 0.21
No.	150	70	103	45	72	13	61	31	48	9
Between-group comparison, CDI vs ST	P= .161		P = .002		P= .105		P = .037		P = .306
Within-group comparison	–	–	–	–	–	–	P < .001	P = .001	P < .001	P < .001
Tricuspid regurgitant jet velocity	3.04 ± 0.66	2.98 ± 0.58	2.77 ± 0.59	2.80 ± 0.62	2.54 ± 0.66	2.33 ± 0.49	0.42 ± 0.57	0.35 ± 0.49	0.53 ± 0.78	0.83 ± 0.82
No.	152	69	88	32	67	12	50	23	45	9
Between-group comparison, CDI vs ST	P = .546		P = .798		P = .280		P= .614		P = .305
Within-group comparison	–	–	–	–	–	–	P = .002	P = .157	P < .001	P < .001
Pulmonary artery pressure	48.3 ± 16.6	47.4 ± 13.8	39.1 ± 14.6	40.5 ± 13.3	34.9 ± 15.8	29.4 ± 10.9	11.8 ± 15.6	9.9 ± 11.9	16.7 ± 18.6	24.6 ± 21.6
No.	149	73	89	37	67	12	52	28	43	9
Between-group comparison, CDI vs ST	P = .689		P= .619		P =255		P = .569		P = .267
Within-group comparison	–	–	–	–	–	–	P < .001	P = .014	P < .001	P < .001

CDI, Catheter-directed intervention; RV/LV, right ventricular to left ventricular diameter ratio; ST, systemic thrombolysis.

Values are reported as mean ± standard deviation.