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Table 4 Comparison of the decrease magnitude between the 2 subgroups

From: Quantitative analysis of tumor shrinkage due to chemotherapy and its implication for radiation treatment planning in limited-stage small-cell lung cancer

  

Group1

Group2

P-value

Lung

    
 

V5 (%)

−4.8 ± 8.0

−9.1 ± 4.5

0.212

 

V20 (%)

−12.3 ± 13.3

−11.6 ± 6.8

0.473

 

MLD (%)

−14.6 ± 11.4

−17.2 ± 7.9

0.678

Heart

    
 

V30 (%)

−16.5 ± 36.4

−34.4 ± 53.4

0.212

 

Mean (%)

−15.8 ± 17.0

−28.4 ± 36.5

0.212

 

Max (%)

−2.3 ± 1.9

−10.5 ± 18.1

0.473

Esophagus

    
 

V40 (%)

−10.8 ± 17.2

−9.7 ± 17.8

0.85

 

V50 (%)

−14.8 ± 21.1

−10.2 ± 22.6

0.385

 

V60 (%)

−28.0 ± 48.9

−21.9 ± 24.8

0.791

 

AV60 (%)

−28.0 ± 48.9

−21.9 ± 24.8

0.791

 

Mean (%)

−11.0 ± 12.3

−7.6 ± 14.8

0.385

 

Max (%)

−0.6 ± 4.7

0.1 ± 3.3

0.734

  1. Abbreviations: AV60 Absolute volume > 60 Gy.
  2. Patients in group 1 (n = 10) received 1 cycle of induction chemotherapy and patients in group 2 (n = 10) received 2 cycles.