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Table 4 5-year disease-free survival life-table

From: Comparison of survival between radiation therapy and trans-oral laser microsurgery for early glottic cancer patients; a retrospective cohort study

First-order Controls

Interval Start time

Number Entering Interval

Number Withdrawing during Interval

Number Exposed to Risk

Number of Terminal Events

Proportion Surviving

Cumulative Proportion Surviving at End of Interval

Std. Error of Cumulative Proportion Surviving at End of Interval

TLM

0

23

0

23.000

0

1.00

1.00

.00

1

23

1

22.500

0

1.00

1.00

.00

2

22

0

22.000

0

1.00

1.00

.00

3

22

0

22.000

0

1.00

1.00

.00

4

22

1

21.500

0

1.00

1.00

.00

5

21

0

21.000

0

1.00

1.00

.00

6

21

1

20.500

0

1.00

1.00

.00

7

20

0

20.000

1

.95

.95

.05

8

19

0

19.000

1

.95

.90

.07

9

18

1

17.500

1

.94

.85

.08

10

16

1

15.500

0

1.00

.85

.08

11

15

0

15.000

0

1.00

.85

.08

12

15

0

15.000

1

.93

.79

.09

13

14

0

14.000

0

1.00

.79

.09

14

14

0

14.000

0

1.00

.79

.09

15

14

0

14.000

0

1.00

.79

.09

16

14

0

14.000

0

1.00

.79

.09

17

14

0

14.000

0

1.00

.79

.09

18

14

1

13.500

1

.93

.73

.10

19

12

0

12.000

0

1.00

.73

.10

20

12

0

12.000

0

1.00

.73

.10

21

12

0

12.000

0

1.00

.73

.10

22

12

0

12.000

0

1.00

.73

.10

23

12

1

11.500

1

.91

.67

.11

24

10

0

10.000

0

1.00

.67

.11

25

10

1

9.500

0

1.00

.67

.11

26

9

0

9.000

0

1.00

.67

.11

27

9

0

9.000

0

1.00

.67

.11

28

9

0

9.000

0

1.00

.67

.11

29

9

0

9.000

0

1.00

.67

.11

30

9

0

9.000

0

1.00

.67

.11

31

9

0

9.000

0

1.00

.67

.11

32

9

0

9.000

1

.89

.60

.12

33

8

0

8.000

0

1.00

.60

.12

34

8

0

8.000

0

1.00

.60

.12

35

8

0

8.000

0

1.00

.60

.12

36

8

1

7.500

0

1.00

.60

.12

37

7

0

7.000

0

1.00

.60

.12

38

7

3

5.500

0

1.00

.60

.12

39

4

0

4.000

0

1.00

.60

.12

40

4

0

4.000

0

1.00

.60

.12

41

4

0

4.000

0

1.00

.60

.12

42

4

1

3.500

0

1.00

.60

.12

43

3

0

3.000

0

1.00

.60

.12

44

3

0

3.000

0

1.00

.60

.12

45

3

0

3.000

0

1.00

.60

.12

46

3

0

3.000

0

1.00

.60

.12

47

3

0

3.000

0

1.00

.60

.12

48

3

0

3.000

0

1.00

.60

.12

49

3

0

3.000

0

1.00

.60

.12

50

3

0

3.000

0

1.00

.60

.12

51

3

1

2.500

0

1.00

.60

.12

52

2

0

2.000

0

1.00

.60

.12

53

2

0

2.000

0

1.00

.60

.12

54

2

0

2.000

0

1.00

.60

.12

55

2

1

1.500

0

1.00

.60

.12

56

1

0

1.000

0

1.00

.60

.12

57

1

0

1.000

0

1.00

.60

.12

58

1

0

1.000

0

1.00

.60

.12

59

1

0

1.000

0

1.00

.60

.12

60

1

1

.500

0

1.00

.60

.12

Radiation

0

52

1

51.500

1

.98

.98

.02

1

50

0

50.000

0

1.00

.98

.02

2

50

1

49.500

1

.98

.96

.03

3

48

0

48.000

0

1.00

.96

.03

4

48

1

47.500

1

.98

.94

.03

5

46

0

46.000

0

1.00

.94

.03

6

46

0

46.000

0

1.00

.94

.03

7

46

0

46.000

2

.96

.90

.04

8

44

1

43.500

0

1.00

.90

.04

9

43

2

42.000

0

1.00

.90

.04

10

41

0

41.000

2

.95

.86

.05

11

39

1

38.500

0

1.00

.86

.05

12

38

0

38.000

1

.97

.83

.05

13

37

0

37.000

1

.97

.81

.06

14

36

0

36.000

1

.97

.79

.06

15

35

0

35.000

0

1.00

.79

.06

16

35

3

33.500

0

1.00

.79

.06

17

32

0

32.000

0

1.00

.79

.06

18

32

0

32.000

1

.97

.76

.06

19

31

0

31.000

0

1.00

.76

.06

20

31

1

30.500

0

1.00

.76

.06

21

30

1

29.500

0

1.00

.76

.06

22

29

2

28.000

0

1.00

.76

.06

23

27

2

26.000

0

1.00

.76

.06

24

25

0

25.000

0

1.00

.76

.06

25

25

0

25.000

0

1.00

.76

.06

26

25

0

25.000

0

1.00

.76

.06

27

25

0

25.000

0

1.00

.76

.06

28

25

0

25.000

0

1.00

.76

.06

29

25

0

25.000

0

1.00

.76

.06

30

25

0

25.000

0

1.00

.76

.06

31

25

0

25.000

1

.96

.73

.07

32

24

0

24.000

1

.96

.70

.07

33

23

0

23.000

1

.96

.67

.07

34

22

0

22.000

0

1.00

.67

.07

35

22

0

22.000

0

1.00

.67

.07

36

22

1

21.500

0

1.00

.67

.07

37

21

0

21.000

0

1.00

.67

.07

38

21

1

20.500

0

1.00

.67

.07

39

20

0

20.000

0

1.00

.67

.07

40

20

0

20.000

0

1.00

.67

.07

41

20

0

20.000

0

1.00

.67

.07

42

20

1

19.500

0

1.00

.67

.07

43

19

0

19.000

0

1.00

.67

.07

44

19

0

19.000

0

1.00

.67

.07

45

19

0

19.000

0

1.00

.67

.07

46

19

2

18.000

0

1.00

.67

.07

47

17

1

16.500

0

1.00

.67

.07

48

16

0

16.000

0

1.00

.67

.07

49

16

1

15.500

0

1.00

.67

.07

50

15

0

15.000

0

1.00

.67

.07

51

15

0

15.000

0

1.00

.67

.07

52

15

2

14.000

0

1.00

.67

.07

53

13

1

12.500

0

1.00

.67

.07

54

12

0

12.000

0

1.00

.67

.07

55

12

0

12.000

0

1.00

.67

.07

56

12

0

12.000

0

1.00

.67

.07

57

12

1

11.500

0

1.00

.67

.07

58

11

1

10.500

0

1.00

.67

.07

59

10

0

10.000

0

1.00

.67

.07

60

10

10

5.000

0

1.00

.67

.07

  1. This life-table shows the proportion of patients who experienced an event each time-interval (1 month). Additionally, the table indicates the amount of patients who were censored each month by reporting how many patients entered and left each interval