Table 4 Risk factors affecting OS in MM patients

ISS stage III

2.048 1.003–4.182 0.049

1.046 0.438–2.501 0.919

Cr ≥ 115 μmol/L

0.934 0.468–1.866 0.848

CD27 + T ≥ 20%

3.542 1.487–8.436 0.004

3.353 1.322–8.504 0.011

BMPC ≥ 31.49%

2.214 1.141–4.297 0.019

1.501 0.729–3.090 0.270

Ca ≥ 2.75mmlo/L

0.918 0.398–2.119 0.842

HB < 100 g/L

1.561 0.280–1.123 0.103

LDH > 246U/L

0.770 0.401–1.480 0.434

ALB < 35 g/L

1.903 0.973–3.722 0.060

Age ≥ 65

2.336 1.186–4.601 0.014

2.426 1.038–5.670 0.041

β2-MG ≥ 3.5 μmol/L

1.889 0.943–3.783 0.073

Therapeutic schemes

1.617 0.316–1.205 0.158