Table 3

Factors associated with mortality among hospitalized patients with multiple myeloma with arrhythmias

OR (95% CI)
UnadjustedAdjusted
Age (years)
 <70ReferenceReference
 70 and above 0.70 (0.62 to 0.80) 0.79 (0.68 to 0.92)
Gender
 MaleReferenceReference
 Female0.91 (0.81 to 1.04)0.92 (0.81 to 1.05)
Race/Ethnicity
 Non-Hispanic whiteReferenceReference
 Non-Hispanic black 1.52 (1.30 to 1.78) 1.38 (1.16 to 1.64)
 Hispanic 1.66 (1.31 to 2.10) 1.53 (1.19 to 1.97)
 Non-Hispanic other 1.80 (1.37 to 2.36) 1.69 (1.29 to 2.21)
Median household income national quartiles
 Quartile 1ReferenceReference
 Quartile 21.01 (0.84 to 1.20)1.11 (0.92 to 1.33)
 Quartile 30.84 (0.70 to 1.00)0.92 (0.76 to 1.12)
 Quartile 41.01 (0.70 to 1.00)1.15 (0.95 to 1.39)
Insurance type
 MedicareReferenceReference
 Medicaid 1.50 (1.10 to 2.06) 1.09 (0.78 to 1.53)
 Private 1.40 (1.18 to 1.65) 1.28 (1.06 to 1.54)
 Other 1.95 (1.37 to 2.75) 1.78 (1.23 to 2.58)
Hospital region
 NortheastReferenceReference
 Midwest0.97 (0.81 to 1.17)0.97 (0.79 to 1.17)
 South1.05 (0.89 to 1.25)0.99 (0.83 to 1.18)
 West1.18 (0.97 to 1.42)1.14 (0.94 to 1.39)
Hospital location
 RuralReferenceReference
 Urban non-teaching0.94 (0.71 to 1.25)0.89 (0.65 to 1.21)
 Urban teaching1.09 (0.84 to 1.42)0.99 (0.74 to 1.32)
Admission type
 Non-electiveReferenceReference
 Elective 0.69 (0.55 to 0.87) 0.67 (0.52 to 0.85)
Length of stay
 5 days or lessReferenceReference
 >5 days1.12 (0.99 to 1.26)1.09 (0.96 to 1.23)
Charlson Comorbidity Index
 0–4ReferenceReference
 5–7 1.24 (1.08 to 1.42) 1.23 (1.07 to 1.41)
 ≥8 1.49 (1.26 to 1.76) 1.45 (1.21 to 1.73)
  • Model adjusted for age, gender, race/ethnicity, median household income national quartiles, hospital region, hospital location, Charlson Comorbidity Index, insurance type, admission type, and length of stay. Boldface indicates statistical significance.