Table 3. Subgroup Analysis of TYE combined with urokinase thrombolysis.

Sub group	TYE				TYE combined with urokinase thrombolysis
	No. of patients	Age (years)	Male (%)	Duration (d)	No. of patients	Age (years)	Male (%)	Duration (d)
0-1 line	25	52	48	10	15	48	53	5
>2 lines	9	48	67	6	19	52	42	10
>4 lines	5	50	60	12	9	56	77	9
>6 lines	3	56	67	9	6	46	67	7

Abbreviation: TYE, transluminal Nd:YAG laser embolysis.