Lille prognostic score for myelofibrosis            
Applies at the time of diagnosis.
  Value     1. Sum the number of adverse prognostic factors
WBC count (x 109/L)*
White cell count < 4 or > 30 x 109/L
Hemoglobin (x g/dL)*
Hemoglobin <10 g/dL
          2. Determine risk category and prognosis
LILLE score       Number of factors Risk group Pro­portion of patients Median OS (m)
LILLE risk group       0 Low 47 93
1 Inter­mediate 45 26
2 High 8 13
Dupriez B, Morel P, Demory JL, Lai JL, Simon M, Plantier I et al. Prognostic factors in agnogenic myeloid metaplasia: a report on 195 cases with a new scoring system. Blood 1996; 88: 1013-1018.