Table 1 Comparison of platelet aggregation between smokers and nonsmokers
From: Cigarette Smoking as a Risk Factor of Coronary Artery Disease and its Effects on Platelet Function
| Â | Smokers | Nonsmokers | P |
|---|---|---|---|
Spontaneous aggregation | Â | Â | Â |
   Small aggregates (105 counts × 10 second) | 129 ± 170 | 62 ± 105 | <0.0001 |
Epinephrine 1 mm | Â | Â | Â |
   Small aggregates (105 counts × 10 second) | 523 ± 253 | 491 ± 218 |  |
   Medium aggregates | 227 ± 146 | 153 ± 144 | <0.0001 |
   Large aggregates | 202 ± 201 | 135 ± 184 | 0.0015 |
Epinephrine 5 mm | Â | Â | Â |
   Small aggregates (105 counts × 10 second) | 346 ± 217 | 383 ± 227 |  |
   Medium aggregates | 232 ± 122 | 190 ± 98 | 0.0318 |
   Large aggregates | 350 ± 222 | 278 ± 212 | 0.0466 |
ADP 1 mm | Â | Â | Â |
   Small aggregates (105 counts × 10 second) | 592 ± 269 | 458 ± 243 | 0.0005 |
   Medium aggregates | 169 ± 180 | 108 ± 148 | 0.0025 |
   Large aggregates | 139 ± 201 | 91 ± 184 | 0.0007 |
ADP 5 mm | Â | Â | Â |
   Small aggregates (105 counts × 10 second) | 236 ± 123 | 247 ± 140 |  |
   Medium aggregates | 154 ± 58 | 156 ± 65 |  |
   Large aggregates | 529 ± 185 | 486 ± 184 |  |