Table 2 Results of the long-rank test showing in detail the cumulative proportion of survivors, number of deaths and patients at risk in each group at the different follow-up time points

1

4

0.94

1

17

2

5

0.89

2

16

3

6

0.83

3

15

4

7.7

0.78

5

14

5

9.1

0.72

6

13

6

10.0

0.67

7

12

7

13.0

0.61

8

11

8

20.2

0.56

9

10

9

27.4

0.5

9

9

10

27.7

-

9

8

11

45.0

-

9

7

12

48.3

-

9

6

13

48.9

0.42

10

5

14

49.6

0.33

11

4

15

51.7

-

11

3

16

52.6

--

11

2

17

65.6

-

11

1

18

67.4

-

11

0

Non-Responder to IS

1

7.0

0.83

1

5

2

11.0

0.67

2

4

3

11.9

0.5

3

3

4

12.9

0.33

4

2

5

16.0

0.17

5

1

6

47.0

0

6

0