Table 3.

Influence of induction randomization on disease-free survival, survival, and relapse rate in complete responding patients randomized to postremission therapy

Induction randomizationGM-CSFPlacebo
Postremission randomizationAra-CAra-C+MAra-CAra-C+M
No. patients 37 42 45 45 
Median DFS (mo) 11 10  
95% CI  8-12  7-15  9-18  8-15 
Median survival (mo) 19 16 20 17  
95% CI 15-24 13-28 14-32 13-27  
No. (%) relapses 31 (84) 36 (86) 32 (71) 35 (78) 
No. deaths in CR 6  
Total no. (%) events 35 (95) 39 (93) 38 (84) 41 (91) 
5-year survival (%) 11 21 16 18  
95% CI  5-23 12-35  8-28 10-30  
5-year DFS (%) 14 16 11  
95% CI  2-15  7-27  8-28  5-22 
Induction randomizationGM-CSFPlacebo
Postremission randomizationAra-CAra-C+MAra-CAra-C+M
No. patients 37 42 45 45 
Median DFS (mo) 11 10  
95% CI  8-12  7-15  9-18  8-15 
Median survival (mo) 19 16 20 17  
95% CI 15-24 13-28 14-32 13-27  
No. (%) relapses 31 (84) 36 (86) 32 (71) 35 (78) 
No. deaths in CR 6  
Total no. (%) events 35 (95) 39 (93) 38 (84) 41 (91) 
5-year survival (%) 11 21 16 18  
95% CI  5-23 12-35  8-28 10-30  
5-year DFS (%) 14 16 11  
95% CI  2-15  7-27  8-28  5-22 

No statistically significant differences in outcome parameters among the treatment cohorts were noted.

DFS indicates disease-free survival; CI, confidence interval; CR, complete remission; for other abbreviations, see Table 2.