Table 4 Univariate and multivariate analyses for DFS in MM patients

HCV status

0.741

0.462, 1.189

0.214

0.797

0.386, 1.645

0.540

Age (≥ 65 vs. < 65)

1.545

0.553, 4.315

0.407

1.782

0.340, 9.337

0.494

Gender (male vs. female)

1.003

0.613, 1.643

0.989

0.986

0.429, 2.262

0.973

ISS stage

0.865

0.615, 1.214

0.406

1.367

0.558, 3.352

0.494

β2m (≥ 3.5 vs. < 3.5 mg/L)

0.941

0.475, 1.863

0.861

0.329

0.057, 1.89

0.213

Albumin (< 3.5 vs ≥ 3.5 g/L)

1.058

0.639, 1.749

0.827

1.282

0.504, 3.262

0.602

Hemoglobin (< 10 vs. ≥ 10 g/dL)

0.592

0.361, 0.970

0.037*

0.604

0.284, 1.287

0.191

Platelets (< 100 vs. ≥ 100 × 109/L)

0.780

0.385, 1.579

0.490

0.784

0.072, 7.763

0.808

Serum calcium (≥ 12 vs. < 12 mg/dL)

3.253

0.767, 13.795

0.110

7.042

1.12, 44.45

0.038*

Serum creatinine (≥ 2.0 vs. < 2.0 mg/dL

1.123

0.534, 2.362

0.760

0.741

0.162, 3.384

0.699

Serum ALT (abnormal vs. normal)

0.973

0.236, 4.003

0.969

--

--

--

Serum AST (abnormal vs. normal)

1.055

0.545, 2.042

0.874

0.472

0.125, 1.782

0.268

Serum T. bil. (abnormal vs. normal)

1.902

1.034, 3.50

0.039*

10.94

2.92, 41.02

< 0.001*