Univariate analysis of predictors for second in-stent restenosis in 79 lesions
| No restenosis | Restenosis | p Value | |
| Per patient | |||
| Age | NS | ||
| ⩽ 65 years | 18 (60) | 25 (58) | |
| > 65 years | 12 (40) | 18 (42) | |
| Men | 25 (83) | 37 (86) | NS |
| Hypertension | 20 (67) | 29 (67) | NS |
| Peripheral arterial disease | 3 (10) | 7 (16) | NS |
| Diabetes mellitus | 6 (20) | 15 (35) | NS |
| Hypercholesterolaemia | 14 (48) | 20 (46) | NS |
| Smoking | 14 (48) | 25 (58) | NS |
| Per lesion | |||
| Strategy for in-stent restenosis | 0.04 | ||
| ELCA | 5 | 18 | |
| PTCA | 19 | 18 | |
| Stent | 10 | 9 | |
| Previous PTCA | 19 (63) | 32 (74) | |
| Previous PTCA at treated lesion | 11 (37) | 11 (26) | |
| Stents per lesion | NS | ||
| One | 25 | 30 | |
| More than one | 9 | 15 | |
| Hybrid stenting | 3 | 7 | |
| Complex lesions (B/C) | 31 (91) | 45 (100) | NS |
| Type of restenosis | NS | ||
| Diffuse, occlusion | 16 (47) | 25 (56) | |
| Focal | 18 (53) | 38 (44) | |
| Infarct related artery | 19 (56) | 17 (38) | NS |
| Indication for initial stent | NS | ||
| Occlusion | 5 (15) | 8(18) | |
| Elective | 27 (79) | 33 (73) | |
| Bail out | 2 (6) | 4 (9) | |
| Type of stent | NS | ||
| Slotted tube | 17 | 18 | |
| Multicellular | 10 | 19 | |
| Severity of stenosis initial stent | NS | ||
| < 75% | 20 (59) | 25 (56) | |
| ⩾ 75% | 7 (21) | 13 (29) | |
| 100% | 7 (20) | 7 (15) | |
| Severity of stenosis post initial stent | NS | ||
| < 25% | 29 (85) | 36 (80) | |
| ⩾ 25% | 5 (15) | 9 (20) | |
| Severity of stenosis post TLR | NS | ||
| < 25% | 23 (68) | 26 (58) | |
| ⩾ 25% | 11 (32) | 19 (42) | |
| Length of stenosis | NS | ||
| < 13 mm | 16 (59) | 23 (60) | |
| ⩾ 13 mm | 11 (41) | 15 (40 | |
| RLD initial stent | NS | ||
| < 2.4 mm | 25 (73) | 27 (60) | |
| ⩾ 2.4 mm | 9 (27) | 18 (40) | |
| Inflation pressure initial stent | NS | ||
| < 12 atm | 4 (12) | 7 (16) | |
| ⩾ 12 atm | 30 (88) | 38 (84) |
Values are n or n (%).