Table 3: Univariate analysis.

FactorsNumber of patientsNumber of deaths5-year overall survival (%) value
(Log-Rank test)

Initial histological response
 Good response1713290.82
 Poor response282017
Radiological response
 Partial response1210170.57
 Stable disease or progressive disease272033
Surgery after thiotepa (TTP)
 Yes3122360.397
 No141121
Histological response after TTP
 Good response92560.17
 Poor response221827
Number of previous relapses
 First relapse2618310.69
 Subsequent relapse171329
Delay between diagnosis and relapse before TTP
 ≤2 years1916160.01
 >2 years241542