Table 1.

Clinical characteristics of ALCL patients, according to ALK expression

ALK-positive ALCL (n = 25)ALK-negative ALCL (n = 39)P*
Mean age 26 50 < .001† 
Sex (male/female) 15/10 23/16 NS 
Stage    
 1-2 17 16 .04 
 3-4 8 23  
International Prognostic Index    
 Low-low intermediate 23 28 NS  
 High intermediate-high 2 11  
Complete remission 24 29 .04  
Relapse 5 27 < .001 
Died of disease 1 21 < .001 
ALK-positive ALCL (n = 25)ALK-negative ALCL (n = 39)P*
Mean age 26 50 < .001† 
Sex (male/female) 15/10 23/16 NS 
Stage    
 1-2 17 16 .04 
 3-4 8 23  
International Prognostic Index    
 Low-low intermediate 23 28 NS  
 High intermediate-high 2 11  
Complete remission 24 29 .04  
Relapse 5 27 < .001 
Died of disease 1 21 < .001 

NS indicates not significant.

*

As determined by the Fisher exact test unless otherwise indicated.

†

As determined by the Mann-Whitney U test.

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