Table 2.

Comparison of IPI- and PIT-calculated survival outcomes in 4 PTCL-NOS case series

IndexScoreGallamini et al, 200421 Weisenburger et al, 201124 Ellin et al, 201425 Xu et al, 201526 
5-y OS, %5-y OS, %5-y FFS, %5-y OS, %5-y OS, %5-y PFS, %
IPI20  Low 0/1 59 50 36 58 48 43 
Low-intermediate 46 33 18 27* 38 19 
Intermediate-high 40 16 15 13 
High 4/5 18 11 15 
PIT21  Group 1 62 50 34 71 56 33 
Group 2 53 40 22 38 40 21 
Group 3 33 22 13 25 25 14 
Group 4 3/4 18 11 18 NR 
IndexScoreGallamini et al, 200421 Weisenburger et al, 201124 Ellin et al, 201425 Xu et al, 201526 
5-y OS, %5-y OS, %5-y FFS, %5-y OS, %5-y OS, %5-y PFS, %
IPI20  Low 0/1 59 50 36 58 48 43 
Low-intermediate 46 33 18 27* 38 19 
Intermediate-high 40 16 15 13 
High 4/5 18 11 15 
PIT21  Group 1 62 50 34 71 56 33 
Group 2 53 40 22 38 40 21 
Group 3 33 22 13 25 25 14 
Group 4 3/4 18 11 18 NR 
*

Low-intermediate and high-intermediate risk patients according to IPI are grouped together as intermediate risk patients.

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