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Table 2 Laboratory parameters at MM diagnosis

From: Impact of renal impairment on outcomes after autologous stem cell transplantation in multiple myeloma: a multi-center, retrospective cohort study

  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
  1. eGFR estimated glomerular filtration rate, LDH lactate dehydrogenase
  2. p < 0.05: statistically significant