Patient and lesion characteristics
| ZES | EES | p Value | |
|---|---|---|---|
| N | 45 | 45 | |
| Male gender, n (%) | 38 (84) | 37 (82) | 0.81 |
| Age, years | 68±9 | 67±8 | 0.72 |
| Risk factors, n (%) | |||
| Diabetes mellitus | 19 (42) | 11 (24) | 0.07 |
| Hypertension | 40 (89) | 42 (93) | 0.46 |
| Hypercholesterolaemia | 39 (87) | 38 (84) | 0.76 |
| Current smoking | 0 (0) | 0 (0) | – |
| Body mass index | 24.4±0.5 | 24.8±0.5 | 0.67 |
| Disease for stenting | 0.43 | ||
| Acute coronary syndrome | 5 (11) | 2 (4) | |
| Stable coronary disease | 40 (89) | 43 (96) | |
| Target vessel, n (%) | 0.01 | ||
| Left anterior descending coronary artery | 23 (51) | 23 (51) | |
| Left circumflex coronary artery | 1 (2) | 9 (20) | |
| Right coronary artery | 21 (47) | 13 (29) | |
| Medications, n (%) | |||
| Statin | 39 (87) | 37 (82) | 0.56 |
| Aspirin | 45 (100) | 45 (100) | – |
| Clopidogrel/ticlopidine | 43 (96) | 44 (98) | 0.56 |
| Angiotensin receptor blocker/ACE inhibitor | 28 (62) | 33 (73) | 0.26 |
| β-blocker | 24 (53) | 23 (51) | 0.83 |
| Calcium channel blocker | 24 (53) | 18 (40) | 0.20 |
| Angiographic stenosis, % | |||
| Before intervention | 88.8±9.1 | 87.8±8.5 | 0.59 |
| After intervention | 7.3±2.4 | 6.6±2.4 | 0.12 |
| TIMI flow grade (0/1/2/3), n | |||
| Before intervention | 8/0/4/33 | 8/0/2/35 | 0.69 |
| After intervention | 0/0/0/45 | 0/0/0/45 | – |
| Stent size, mm | 3.1±0.3 | 2.7±0.3 | <0.001 |
| Total stent length, mm | 30.9±20.4 | 32.5±34.0 | 0.78 |
| Maximum inflation pressure, atmos | 19±2 | 19±2 | 0.60 |
| Procedural success of intervention, % | 100 | 100 | – |
Continuous data are presented as mean±SD.
EES, everolimus-eluting stents; TIMI, Thrombolysis In Myocardial Infarction; ZES, zotarolimus-eluting stents.