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ABO Blood Type and Myeloma Outcomes
ABO Blood Type and Myeloma Outcomes image
ABO Blood Type and Myeloma Outcomes
Posted May 11, 2022

 

AACR: 6286 - Relationship of ABO blood groups and length of survival of multiple myeloma patients

Is multiple myeloma survival affected by blood type? HealthTree for Multiple Myeloma studied this question by drawing conclusions from the self-reported HealthTree Cure Hub database which included 1,173 individuals. The selected patients had validated profiles of their medical records including labs, genetics and prior lines of therapy. Patients not reporting a blood type were excluded from the study.

  • 458 patients reported having A blood type
  • 56 patients reported having AB blood type
  • 155 patients reported having B blood type
  • 504 patients reported having O blood type
The researchers analyzed the relationship between survival time (total time to next treatment) and a myeloma patients' ABO blood type. Additional analysis was performed to determine if blood type was linked to risk status. 
 
The results showed statistical significance (p-value = 0.040) that there was a relationship between total time to next treatment and blood type, with O blood type having the longest average time to next treatment by 250 days. 
 
Blood Type Average days to next treatment
O blood type 2027 days
A blood type 1762 days
AB blood type 1882 days
B blood type 1747 days

There was not statistical significance in average survival time (p-value = 0.138).

We also investigated whether or not patients in certain ABO blood groups are more inclined to have high-risk mutations. We categorized patients as high risk and standard risk-based on guidelines defined by Mayo Clinic’s mSMART guidelines. We found that there was no statistical significance (p-value = 0.797) and concluded that patients are equally likely to be considered high risk for all ABO blood groups.

Further work should be performed to identify why O blood type is related to longer remission times.


 

 

 

The author Jennifer Ahlstrom

about the author
Jennifer Ahlstrom

Myeloma survivor, patient advocate, wife, mom of 6. Believer that patients can help accelerate a cure by weighing in and participating in clinical research. Founder of Myeloma Crowd by HealthTree and the HealthTree Foundation.

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