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Table 2 Stent types and characters by groups

From: Longitudinal stent elongation or shortening after deployment in the coronary arteries: which is dominant?

  Elongated stents (n = 69, 67.6%) Shortened stents (n = 16, 15.7%) Unchanged stents (n = 17, 16.7%) p value
Stent type, %     0.01
 DES 38 (55.1%) 4 (25%) 3 (17.6%)  
 BMS 31 (44.9%) 12 (75%) 14 (82.4%)  
Stent box-stated length, mm     0.34
 Less than 20mm 45 (65.2%) 10 (62.5%) 14 (82.4%)  
 More than 20mm 24 (34.8%) 6 (37.5%) 3 (17.6%)  
Stent diameter, mm 3.0 (3.0–3.0) 3.0 (3.0–4.0) 4.0 (3.0–4.0)* 0.01
Stent strut thickness, micro 81.0 (81.0–91.0) 81.0 (81.0–88.5) 81.0 (81.0–86.0) 0.69
Stent metal/artery ratio 19.0 (14.1–19.9) 19.0 (19.0–19.9) 19.0 (19.0–19.5) 0.81
Stent recoil (%) 4.0 (3.0–4.9) 4.0 (3.0–4.0) 4.0 (3.5–4.0) 0.94
  1. Data provided as number (%) or median (IQR)
  2. BMS bare-metal stents, DES drug-eluting stents
  3. *p=0.002, compared to the elongated group