Prognostic factors | Studies | Pooled HR | Lower limit | Upper limit | I2(%) | References |
|---|
Cytogenetic |
 Deletion 17p | 3 | 3.39 | -0.21 | 6.99 | 90.84 | [14, 17, 43] |
 IGHV status | 2 | 0.96 | -0.07 | 1.99 | 94.02 | [17, 53] |
Protein factors |
 β2 microglobulin | 2 | 1.41 | 1.05 | 1.77 | 0 | [17, 43] |
- IGHV Immunoglobulin heavy variable gene, B2M β2-microglobulin
