Table 2.
Laboratory parameters at MM diagnosis
| Group A (n = 238) | Group B (n = 67) | Group C (n = 50) | p-Value | |
|---|---|---|---|---|
| Characteristics | ||||
| β2 microglobulin (mg/L) | 3.1 ± 1.8 | 6.9 ± 5.0 | 11.5 ± 15.1 | < 0.001 |
| Hemoglobin (g/dL) | 11.9 ± 2.2 | 10.8 ± 2.1 | 10.7 ± 1.8 | < 0.001 |
| Calcium (mmol/L) | 2.4 ± 0.3 | 2.6 ± 0.6 | 2.5 ± 0.5 | < 0.001 |
| Creatinine (mg/dL) | 0.9 ± 0.2 | 1.9 ± 1.4 | 2.6 ± 1.8 | < 0.001 |
| eGFR (ml/min/1.73m2) | 83 ± 17 | 42 ± 15 | 33 ± 17 | < 0.001 |
| Renal function stage (%) | < 0.001 | |||
| 1 | 30.7 | – | – | |
| 2 | 69.3 | – | – | |
| 3a | – | 50.7 | 32.0 | |
| 3b | – | 22.4 | 20.0 | |
| 4 | – | 23.9 | 26.0 | |
| 5 | 3.0 | 22.0 | ||
| Albumin (g/L) | 39 ± 7 | 37 ± 8 | 40 ± 7 | 0.100 |
| LDH (U/L) | 175 ± 50 | 206 ± 105 | 201 ± 97 | 0.002 |
| C-reactive protein (mg/dL) | 1.1 ± 2.1 | 1.4 ± 2.6 | 2.0 ± 4.5 | 0.092 |
eGFR estimated glomerular filtration rate, LDH lactate dehydrogenase
p < 0.05: statistically significant