Research Article
Prognostic Nomogram for the Overall Survival of Patients with Newly Diagnosed Multiple Myeloma
Table 1
Clinical and laboratory characteristics of patients with newly diagnosed multiple myeloma.
| Characteristics | Training cohort | Validation cohort | (n = 214) | (n = 90) | Number | % | Number | % |
| Age at diagnosis, years | | | | | Median ± SD | 60.2 ± 10.6 | 60.9 ± 11.1 | Range | 34−89 | 34−84 | Sex | | | | | Male | 121 | 56.5 | 51 | 56.7 | Female | 93 | 43.5 | 39 | 43.3 | Clonal BM plasma cells, % | | | | Median | 36.4 ± 24.8 | 38.2 ± 26.8 | Range | 0.5−97.0 | 0.5−97.0 | Hemoglobin | | | | | ≥100 g/L | 91 | 42.5 | 41 | 45.6 | <100 g/L | 123 | 57.5 | 49 | 54.4 | Serum albumin | | | | | ≥35 g/L | 73 | 34.1 | 29 | 32.2 | <35 g/L | 141 | 65.9 | 61 | 67.8 | Serum LDH | | | | | <250 U/L | 178 | 83.2 | 74 | 82.2 | ≥250 U/L | 36 | 16.8 | 16 | 17.8 | Serum creatinine | | | | | <177 μmol/L | 172 | 80.4 | 72 | 80.0 | ≥177 μmol/L | 42 | 19.6 | 18 | 20.0 | Serum calcium | | | | | <2.75 mmol/L | 200 | 93.5 | 83 | 92.2 | ≥2.75 mmol/L | 14 | 6.5 | 7 | 7.8 | Serum β2-microglobulin | | | | | <5.5 mg/L | 120 | 56.1 | 48 | 53.3 | ≥5.5 mg/L | 94 | 43.9 | 42 | 46.7 | 1q21 gain | | | | | Negative | 119 | 55.6 | 54 | 60.0 | Positive | 95 | 44.4 | 36 | 40.0 | del (17p) | | | | | Negative | 186 | 86.9 | 80 | 88.9 | Positive | 28 | 13.1 | 10 | 11.1 | t (4;14) | | | | | Negative | 189 | 88.3 | 83 | 92.2 | Positive | 25 | 11.7 | 7 | 7.8 | t (11;14) | | | | | Negative | 169 | 79.0 | 69 | 76.7 | Positive | 45 | 21 | 21 | 23.3 | t (14;16) | | | | | Negative | 206 | 96.3 | 85 | 94.4 | Positive | 8 | 3.7 | 5 | 5.6 |
|
|
Abbreviations: SD, standard deviation; BM, bone marrow; LDH, lactate dehydrogenase.
|