Table 1.
Mean and standard deviation of troponin, N‑terminal pro-brain natriuretic peptide (NT-proBNP), creatine kinase, free light chain immunoglobulins (FLC Ig) lambda and kappa, and D‑dimer in relation to the laboratory reference range in patients with or without a history of known cardiac disease
| Mean | SD | No history of cardiac disease n. (%) |
Known history of cardiac disease n. (%) |
Reference range | |
|---|---|---|---|---|---|
| Troponin (pg/ml) | 27.75 | 20.7 | 18 (45) | 7 (17.5) | <14 |
| NT-proBNP (pg/ml) | 1847.5 |
2582.9 (median 682.5) |
20 (50) | 7 (17.5) | <486 |
| Creatinine kinase (U/l) | 242.9 |
254.3 (median 125.5) |
15 (37.5) | 2 (5) | <190 |
| FLC Ig lambda (mg/l) | 45.6 | 41.1 | 23 (57.5) | 9 (22.5) | 6.7–22.4 |
| FLC Ig kappa (mg/l) | 38.5 | 23.5 | 21 (52.5) | 8 (20) | 8.3–27.0 |
| D‑dimer (mg/l) | 2.3 |
3.7 (median 1.09) |
21 (52.5) | 12 (30) | <0.44 |