| Serum CRP levels | Interpretation |
| <1 | Normal |
| 1 to 3 | Possibly increased cardiovascular risk (grey zone) |
| 3 to 10 | Highly likely increased cardiovascular risk, common in moderate CKD |
| 10 to 50 | Common in maintenance dialysis patients |
| >50 | Acute infection/inflammation (usually temporary) |
