Clinical characteristics of patients with and without restenosis after percutaneous transluminal coronary angioplasty
| Restenosis | Non-restenosis | p Value | |
| Leicester | |||
| Number of patients | 49 | 69 | |
| Age (years) (mean (SEM)) | 59.1 (1.2) | 57.1 (0.9) | NS |
| Women | 12.2 (6) | 17.4 (12) | ND |
| Hypertension | 24 (12) | 17.3 (12) | ND |
| Smoking | 29 (14) | 34.7 (24) | ND |
| Diabetes | 2.0 (1) | 4.3 (3) | ND |
| Myocardial infarction | 48.9 (24) | 43.4 (30) | ND |
| Multivessel disease (%) | 48.9 (24) | 39.1 (27) | ND |
| Sheffield | |||
| Number of patients | 18 | 35 | |
| Age (years) (mean (SEM)) | 53.6 (1.8) | 53.9 (1.5) | NS |
| Women | 17 (3) | 11.4 (4) | ND |
| Hypertension | 61.1 (11) | 37.1 (13) | ND |
| Smoking | 77.7 (14) | 74.2 (26) | ND |
| Diabetes | 5.5 (1) | 11.4 (4) | ND |
| Myocardial infarction | 57.1 (8) | 42.8 (15) | ND |
| Multivessel disease | 0 | 0 | ND |
| Sheffield and Leicester | |||
| No of patients | 67 | 104 | |
| Age (years) (mean (SEM)) | 58.0 (1.4) | 55.9 (1.0) | NS |
| Women | 13.4 (9) | 15.3 (16) | NS |
| Hypertension | 34.3 (23) | 24.0 (25) | NS |
| Smoking | 41.7 (28) | 48.0 (50) | NS |
| Diabetes | 2.98 (2) | 6.7 (7) | NS |
| Myocardial infarction | 47.7 (32) | 43.2 (45) | NS |
| Multivessel disease | 35.8 (24) | 25.9 (27) | NS |
Values are % (n) except where stated.
Hypertension is defined as diastolic blood pressure > 95 mm Hg (Leicester); systolic blood pressure > 160 mm Hg.
Smoking: current or former (Sheffield); current (Leicester).
ND, not done; NS, not significant.