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Table 1 Baseline parameters

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

  Seal-wing PEB Iopromide-coated PEB EES p
Seal-wing vs. iopromide- PEB Seal-wing PEB vs. EES
Demographic parameters
Patients/ ISR lesions, n 64/69 68/74 68/74   
Male/female 49 (76.56%)/ 43 (63.24%)/ 46 (67.65%)/ 0.288c 0.762c
15 (23.44%) 25 (36.74%) 22 (32.35%)
Age, years 65.25 ± 11.01a 65.6 ± 10.9a 65.5 ± 10.6a 1.000d 1.000d
Body mass index, kg/m2 28.38 ± 4.93a/21.19b 28.7 ± 4.0a/19.23b 29.3 ± 4.2a/18.61b 1.000f 0.255f
Ejection fraction, % 52.31 ± 10.01a/55.00b 49.74 ± 11.95a/50.0b 49.57 ± 11.44a/50.0b 0.732f 0.729f
Diabetes mellitus 18 (28.12%) 17 (25.00%) 18 (26.47%) 1.000c 1.000c
Renal insufficiency 2 (3.12%) 2 (2.94%) 7 (10.29%) 1.000e 0.495e
CABG 6 (9.38%) 3 (4.41%) 6 (8.82%) 1.000e 1.000e
Ever smoked 31 (48.44%) 31 (45.59%) 29 (42.65%) 1.000e 1.000c
Previous MI 31 (48.44%) 43 (63.24%) 41 (60.29%) 0.117c 0.258c
2VD/3VD 43 (67.19%) 38 (55.88%) 41 (60.29%) 1.000c 1.000c
Multi ISR 5 (7.81%) 4 (5.88%) 5 (7.35%) 1.000e 1.000c
Baseline PCI
ACSy (STEMI/NSTEMI) 37 (57.81%) 45 (66.18%) 50 (73.53%) 0.966c 0.171c
stable AP 27 (42.19%) 23 (33.82%) 18 (26.47%)
Type of lesion  
B2/C 47 (68.12%) 51 (68.92%) 47 (63.51%) 1.000c 1.000c
Lesion localization
LAD/RD 34 (49.28%) 35 (47.30%) 40 (54.05%) 1.000e 1.000e
RCx/OM 15 (21.74%) 16 (21.62%) 10 (13.51%)
RCA 18 (26.09%) 22 (29.73%) 22 (29.73%)
SVG 2 (2.9%) 1 (1.35%) 2 (2.70%)
Diameter of the previous stent, mm 3.09 ± 0.48a/3.00b 3.18 ± 0.43a/3.0b 3.20 ± 0.41a/3.0b 0.390f 0.225f
Length of the previous stent, mm 25.67 ± 15.48a/20.00b 22.65 ± 11.70a/19.0b 19.39 ± 9.27a/16.0b 0.720f 0.012f
In-stent restenosis
ACSy, STEMI/NSTEMI 19 (29.69%) 24 (35.29%) 25 (36.76%) 1.000e 0.333c
Stable AP 42 (65.62%) 41 (60.29%) 33 (48.53%)
Other, silent ischemia 4 (6.25%) 3 (4.41%) 10 (14.71%)
Time to ISR, months 12.49 ± 11.06a/7.00b 12.10 ± 8.47a/9.0b 16.51 ± 9.49a/24.0b 1.000f 0.042f
Type of ISR      
I (focal; all) 25 (36.23%) 30 (40.54%) 21 (28.38%) 1.000e 1.000e
II (diffuse) 33 (47.83%) 34 (45.95%) 35 (47.30%)
III (proliferative) 6 (8.7%) 5 (6.76%) 8 (10.81%)
IV (occlusion) 5 (7.25%) 5 (6.76%) 10 (13.51%)
Periprocedural parameters
Cutting predilatation 20 (28.99%) 16 (21.62%) 5 (6.76%) 0.933c 0.002c
ISR; PEB/EES diameter, mm 3.27 ± 0.47a/3.17b 3.32 ± 0.39a/3.5b 3.31 ± 0.43a/3.5b 1.000f 1.000f
ISR; PEB/EES length, mm 23.19 ± 12.98a/20.00b 22.53 ± 8.13a/20.0b 28.47 ± 12.76a/24.0b 1.000f 0.0003f
Postdilatation, atm 13.48 ± 2.34a/12.00b 14.84 ± 2.77a/16.0b 14.11 ± 2.45a/12.0b 0.009f 0.411f
Second stent implantation 8 (11.59%) 11 (14.86%) 11 (14.86%) 1.000c 1.000c
Crossover to DES 2 (2.9%) 2 (2.7%) - 1.000c -
  1. Qualitative data are given as n (%); quantitative data as amean (± standard deviation) and bmedian
  2. cchi-square test; dStudent T-test; eFisher’s exact test; fMann–Whitney U test