Efficacy of a seal-wing paclitaxel-eluting balloon catheters in the treatment of bare metal stent restenosis

Table 2 Baseline, postprocedural, and 12-month QCA parameters

		Seal-wing PEB	Iopromide-coated PEB	EES	p
		Seal-wing PEB	Iopromide-coated PEB	EES	Seal-wing vs. iopromide- PEB	Seal-wing PEB vs. EES
Patients/lesions, n		59/64	63/69	62/68
Preprocedural Parameters - ISR
Minimal lumen diameter, mm	Mean	0.86	0.92	0.79	1.000^a	0.732^a
	SD	0.46	0.45	0.48
	Median	0.93	1.00	0.77
Reference diameter, mm	Mean	2.50	2.64	2.66	0.240^a	0.087^a
	SD	0.43	0.47	0.45
	Median	2.45	2.63	2.66
% Diameter stenosis	Mean	74.3	71.8	78.0	0.939^a	0.372^a
	SD	14.5	13.9	13.4
	Median	73.0	70.0	76.0
Post-procedural Parameters - Post re-PCI
Minimal lumen diameter, mm	Mean	2.09	2.18	2.51	1.000^a	<0.0001^a
	SD	0.45	0.39	0.38
	Median	1.99	2.13	2.49
Reference diameter, mm	Mean	2.72	2.79	3.01	0.756^a	0.0003^a
	SD	0.42	0.41	0.40
	Median	2.63	2.79	2.96
Acute gain, mm	Mean	1.23	1.25	1.72	1^a	<0.0001^a
	SD	0.53	0.54	0.47
	Median	1.19	1.12	1.69
% Diameter residual stenosis	Mean	21.5	19.5	16.3	0.153^a	<0.0001^a
	SD	7.9	7.4	5.9
	Median	23.5	20.0	16.0
12-month QCA parameters
Minimal lumen diameter, mm	Mean	1.63	2.09	2.07	0.0006^a	0.003^a
	SD	0.78	0.57	0.80
	Median	1.68	2.13	2.23
Reference diameter, mm	Mean	2.62	2.81	2.96	0.039^a	0.0003^a
	SD	0.53	0.48	0.50
	Median	2.56	2.81	2.86
% Diameter stenosis	Mean	42.4	26.2	30.9	<0.0001^a	0.009^a
	SD	27.9	18.0	24.6
	Median	33.5	22.0	21.5
Late lumen loss, mm	Mean	0.47	0.09	0.44	<0.0001^a	1.000
	SD	0.57	0.44	0.73
	Median	0.30	0.02	0.19
Binary restenosis (%DS˃50%)	(n/%)	18 (28.12%)	6 (8.7%)	13 (19.12%)	0.012^b	0.666^b

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