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Colorectal Cancer–Specific Survival at 5 Years, According to Tumor PIK3CA Mutation Status and Use or Nonuse of Aspirin after Diagnosis.*
| PIK3CA | No. of Patients | Dead at 5 Yr after Diagnosis | Alive at 5 Yr after Diagnosis | P Value |
|---|---|---|---|---|
| number (percent) | ||||
| Wild-type | 0.92 | |||
| No aspirin use | 440 | 65 (15) | 375 (85) | |
| Aspirin use | 319 | 48 (15) | 271 (85) | |
| Mutant | <0.001 | |||
| No aspirin use | 90 | 23 (26) | 67 (74) | |
| Aspirin use | 62 | 2 (3) | 60 (97) | |
P values were calculated with the use of Fisher's exact test.
