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This study shows that the clinical and biologic characteristics of adult patients with BL and BLL were similar to those of patients from the BL-IPI cohort. Consequently, the BL-IPI was validated in our series of patients with BL and BLL. Keywords: Burkitt lymphoma; prognosis; International Prognostic Index; validation EN Burkitt lymphoma prognosis International Prognostic Index validation 1993 1996 4 08/22/22 20220801 NES 220801 Chemoimmunotherapy including rituximab and high-dose or infusional chemotherapy constitute the standard treatment for patients with Burkitt's lymphoma (BL) or Burkitt's lymphoma and leukemia (BLL) [[1], [3]]. [Extracted from the article]

There is limited information on the characteristics, prognostic factors, and outcomes of patients with multiple myeloma (MM) hospitalized with COVID-19. This retrospective case series investigated 167 patients reported from 73 hospitals within the Spanish Myeloma Collaborative Group network in March and April, 2020. Outcomes were compared with 167 randomly selected, contemporary, age-/sex-matched noncancer patients with COVID-19 admitted at six participating hospitals. Among MM and noncancer patients, median age was 71 years, and 57% of patients were male; 75 and 77% of patients, respectively, had at least one comorbidity. COVID-19 clinical severity was moderate–severe in 77 and 89% of patients and critical in 8 and 4%, respectively. Supplemental oxygen was required by 47 and 55% of MM and noncancer patients, respectively, and 21%/9% vs 8%/6% required noninvasive/invasive ventilation. Inpatient mortality was 34 and 23% in MM and noncancer patients, respectively. Among MM patients, inpatient mortality was 41% in males, 42% in patients aged >65 years, 49% in patients with active/progressive MM at hospitalization, and 59% in patients with comorbid renal disease at hospitalization, which were independent prognostic factors on adjusted multivariate analysis. This case series demonstrates the increased risk and identifies predictors of inpatient mortality among MM patients hospitalized with COVID-19. [ABSTRACT FROM AUTHOR]