Table 1.
Demographic Characteristics
| Early CEA (within 30 days) | Late CEA (after 30 days) | P by groups | P early v. late | |||||
|---|---|---|---|---|---|---|---|---|
| Group A | Group B | Group C | Group D | Early CEA | ||||
| n | 27 | 17 | 12 | 12 | 69* | 243 | ||
| Mean Age, yr (SD) | 68.6 (9.8) | 68.8 (14.7) | 67.5 (14.3) | 70.7 (9.3) | 68.9 (11.7) | 70.4 (9.7) | 0.93 | 0.27 |
| Age ≥ 80 yr | 4 | 6 | 2 | 2 | 14 (20%) | 46 (19%) | 0.42 | 0.80 |
| Male | 16 | 9 | 8 | 8 | 42 (61%) | 159 (65%) | 0.92 | 0.48 |
| Hypertension | 24 | 14 | 10 | 12 | 61 (88%) | 205 (84%) | 0.51 | 0.40 |
| Diabetes | 7 | 3 | 3 | 3 | 16 (23%) | 61 (25%) | 0.71 | 0.74 |
| Smoker | 11 | 7 | 6 | 3 | 27 (39%) | 58 (24%) | 0.68 | 0.012 |
| PTCA | 2 | 0 | 1 | 0 | 3 (4%) | 28 (11%) | 0.66 | 0.07 |
| Hyperlipidemia | 16 | 12 | 9 | 9 | 47 (68%) | 160 (66%) | 0.42 | 0.72 |
| h/o MI | 7 | 3 | 2 | 3 | 15 (22%) | 26 (11%) | 0.90 | 0.016 |
| Dialysis | 0 | 1 | 0 | 0 | 1 (1%) | 2 (1%) | 0.60 | 0.63 |
| Clopidogrel | 8 | 5 | 2 | 3 | 18 (26%) | 52 (21%) | 0.48 | 0.79 |
| Indication: stroke | 20 | 14 | 9 | 11 | 55 (80%) | 151 (62%) | 0.66 | 0.006 |
| Indication: TIA | 7 | 3 | 3 | 1 | 14 (20%) | 92(38%) | 0.66 | 0.006 |
| Shunt | 15 | 11 | 3 | 6 | 36 (52%) | 68 (28%) | 0.20 | 0.0002 |
| Patch | 25 | 12 | 9 | 10 | 57 (83%) | 189 (78%) | 0.23 | 0.38 |
*
One patient underwent early CEA, but exact symptom onset was unclear