Table I.
Disease Characteristics of EMD patients at Time of MM Diagnosis
| Variable | N | % | Reference | ||
|---|---|---|---|---|---|
| Gender | |||||
| Male | 35 | 63.6 | |||
| Female | 20 | 36.4 | |||
| Ig Heavy Chain | 55 | ||||
| A | 12 | 21.8 | |||
| G | 29 | 52.7 | |||
| n/a | 14 | 25.4 | |||
| Ig Light Chain | 61 | ||||
| λ | 22 | 40.0 | |||
| κ | 33 | 60.0 | |||
| Hb (g/l) | 39 | ||||
| Median | 117 | ||||
| Range | 65–151 | 132 −167 | |||
| Creatinine (µmol/l) | 44 | ||||
| Median | 88.4 | ||||
| Range | 44.2–884 | 61.88–114.92 | |||
| Calcium (mmol/l) | 41 | ||||
| Median | 2.4 | ||||
| Range | 0.925–5 | 2.2–2.625 | |||
| Albumin (g/l) | 31 | ||||
| Median | 39 | ||||
| Range | 29–50 | 37–54 | |||
| LDH (u/l) | 20 | ||||
| Median | 183.5 | ||||
| Range | 105–622 | 107–231 | |||
| β-2 microglobulin (mg/l) | 30 | ||||
| Median | 2.79 | ||||
| Range | 1–20.8 | 0.2–7 |
EMD, extramedullary disease; MM, multiple myeloma; Ig, immunoglobulin; Hb, haemoglobin; LDH, lactate dehydrogenase