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Table 3 Remission status by PET/CT and CT

From: The value of complete remission according to positron emission tomography prior to autologous stem cell transplantation in lymphoma: a population-based study showing improved outcome

  N percent OS LSS PFS
2y 5y P 2y 5y P 2y 5y P
PET/CT 136 100%          
 PET/CT-CR 105 77% 93% 88%   94% 92%   81% 67%  
 PET/CT-PR 31 23% 55% 55% 0.0003 68% 68% 0.0009 45% 41% 0.004
  PET/CT-PR-local 10 7% 80% 80%   90% 90%   60% 50%  
  PET/CT-PR-general 21 15% 41% 41% < 0.00005 56% 56% 0.0002 36% 36% 0.003
 Aggressive B-cell lymphoma 72           
  PET/CT-CR 50 69% 90% 76%   90% 85%   73% 55%  
  PET/CT-PR 22 31% 50% 50% 0.004 59% 59% 0.006 45% 39% 0.032
 Relapsed/refractory 54           
  PET/CT-CR 36 67% 87% 64%   87% 80%   75% 48%  
  PET/CT-PR 18 33% 43% 43% 0.013 50% 50% 0.008 44% 44% 0.15
 Peripheral T-cell lymphoma 18           
  PET/CT-CR 15 83% 91% 91%   91% 91%   78% 62%  
  PET/CT-PR 3 17% 33% NA 0.024 50% NA 0.19 33% NA 0.27
 Classical Hodgkin lymphoma 25           
  PET/CT-CR 21 84% 100% 100%   100% 100%   89% 67%  
  PET/CT-PR 4 16% 75% 75% 0.083 100% 100% 1 50% 50% 0.37
CT 235           
 CT-CR 117 50% 76% 67%   83% 78%   66% 55%  
 CT-PR 118 50% 62% 51% 0.035 70% 62% 0.022 51% 36% 0.004
 Aggressive B-cell lymphoma 86           
  CT-CR 34 40% 59% 52%   69% 69%   50% 35%  
  CT-PR 52 60% 52% 47% 0.81 57% 52% 0.25 46% 37% 0.85
 Relapsed/refractory 77           
  CT-CR 30 39% 50% 45%   64% 64%   46% 30%  
  CT-PR 47 61% 49% 44% 0.99 54% 49% 0.38 43% 35% 0.99
 Peripheral T-cell lymphoma 44           
  CT-CR 27 61% 74% 63%   77% 71%   67% 56%  
  CT-PR 17 39% 76% 76% 0.93 92% 92% 0.22 65% 44% 0.25
 Classical Hodgkin lymphoma 13           
  CT-CR 3 23% 100% 100%   100% 100%   67% 67%  
  CT-PR 10 77% 70% 70% 0.21 70% 70% 0.32 50% 50% 0.34
  1. Abbreviations: PET/CT positron emission tomography/computerized tomography, CT computerized tomography, CR complete remission, PR partial remission, NA not analyzable