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Table 4 Factors affecting PFS by Cox’s proportional hazards regression analysis

From: Circ-SMARCA5 suppresses progression of multiple myeloma by targeting miR-767-5p

Items

Cox’s regression model

p value

HR

95%CI

Lower

Higher

Univariate Cox’s regression

 Circ-SMARCA5 (high vs low)

0.006

0.474

0.278

0.806

 Age (≥60 years vs < 60 years)

0.390

1.255

0.748

2.106

 Gender (male vs female)

0.122

0.663

0.393

1.116

Immunoglobulin subtype

 IgG vs others

0.583

0.865

0.516

1.450

 IgA vs others

0.423

1.272

0.706

2.290

 IgM vs others

0.720

1.436

0.198

10.423

 IgD vs others

0.873

0.851

0.117

6.178

 Bence-Jones protein vs others

0.847

0.935

0.472

1.850

 Hb (≥10 g/dL vs < 10 g/dL)

0.908

0.970

0.578

1.626

 Calcium ≥11.5 mg/dL vs < 11.5 mg/dL)

0.749

0.906

0.497

1.655

 Scr (≥2 mg/dL vs < 2 mg/dL)

0.005

2.261

1.282

3.990

 ALB (≥3.5 mg/dL vs < 3.5 mg/dL)

0.792

1.080

0.612

1.905

 β2-MG (≥5.5 mg/L vs < 5.5 mg/L)

< 0.001

22.970

9.519

55.426

 LDH (≥220 U/L vs < 220 U/L)

0.480

1.219

0.703

2.113

 Durie-Salmon stage (III vs I&II)

0.320

1.302

0.774

2.191

 ISS stage (III vs I&II)

< 0.001

22.970

9.519

55.426

 Bone lesion (yes vs no)

0.239

0.705

0.393

1.262

Cytogenetics abnormality

 t (4; 14) translocation (yes vs no)

0.947

0.972

0.413

2.286

 t (14; 16) translocation (yes vs no)

0.589

0.804

0.365

1.773

 Del (17p) (yes vs no)

0.453

1.313

0.644

2.676

Multivariate Cox’s regression with Forward Stepwise (Conditional) method

 Durie-Salmon stage (III vs I&II)

0.002

2.350

1.363

4.053

 ISS stage (III vs I&II)

< 0.001

32.620

12.739

83.528

  1. Factors affecting PFS were determined by univariate and multivariate Cox’s proportional hazards regression analyses, and the multivariate Cox’s proportional hazards regression analysis was performed with Forward Stepwise (Conditional) method. p value < 0.05 was considered significant (in bold)
  2. PFS progression free survival, HR hazard ratio, CI confidence interval, Ig immunoglobulin, Hb hemoglobin, Scr serum creatinine, ALB albumin, β2-MG Beta-2-microglobulin, LDH lactate dehydrogenase, ISS International Staging System