Table 4

Comparison of clinical data of early PMF patients between the Vienna and the historical Cologne series

Vienna (81 patients)Cologne (565 patients)P*
Age, y† 64.9 66 NS 
Sex, male/female 33/48 253/312 NS 
Hemoglobin, g/dL†    
    Males 14.2 14.0 NS 
    Females 12.9 13.5 NS 
Hematocrit, %    
    Males 41.2 41.4 NS 
    Females 39.2 41.0 NS 
Leukocytes, × 109/L† 10.0 12.7 .023 
Myeloblasts, % 0 0 NS 
Erythroblasts, % 0 0 NS 
Platelets, × 109/L† 784 891 .001 
Palpable spleen, no. (%) 45 (59) 300 (53) NS 
LDH, U/L† 321 289 NS 
Vienna (81 patients)Cologne (565 patients)P*
Age, y† 64.9 66 NS 
Sex, male/female 33/48 253/312 NS 
Hemoglobin, g/dL†    
    Males 14.2 14.0 NS 
    Females 12.9 13.5 NS 
Hematocrit, %    
    Males 41.2 41.4 NS 
    Females 39.2 41.0 NS 
Leukocytes, × 109/L† 10.0 12.7 .023 
Myeloblasts, % 0 0 NS 
Erythroblasts, % 0 0 NS 
Platelets, × 109/L† 784 891 .001 
Palpable spleen, no. (%) 45 (59) 300 (53) NS 
LDH, U/L† 321 289 NS 

NS indicates not significant; and LDH, lactate dehydrogenase.

*

Two-tailed Mann-Whitney U test.

†

Median value.

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