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Table 5 OS, PFS, and LRRFS in patients who received different cycles of induction chemotherapy before TRT

From: Timing of thoracic radiotherapy in the treatment of extensive-stage small-cell lung cancer: important or not?

Cycles

 

OS, mo

P

PPFS, mo

P

LRRFS, mo

P

2

≤2

13.2

0.126

7.8

0.058

19.2

0.985

>2

16.3

 

10.8

 

18.1

3

≤3

16.4

0.272

8.0

0.226

25.3

0.498

>3

14.5

 

11.7

 

19.2

4

≤4

15.0

0.364

8.2

0.121

24.4

0.515

>4

16.3

 

11.7

 

17.5

5

≤5

14.7

0.253

8.2

0.176

24.4

0.338

>5

16.3

 

11.8

 

17.5

6

≤6

15.0

0.382

10.0

0.391

19.2

0.906

>6

16.3

 

13.1

 

17.5