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Table 3 Distribution of baseline covariates for completed and missing causes of death and for all the patients

From: Prostate cancer: net survival and cause-specific survival rates after multiple imputation

 

Observed

 

Missing

 

χ 2

 

Total (N=2844)

 

cause of death

 

cause of death

    
 

(n=161)

 

(n=161)

    
 

No. of

  

No. of

    

No. of

 
 

patientsa

%

 

patientsa

%

 

P-value

 

patients

%

Age, years

      

0.82

   

≤ 70

102

63

 

99

61

   

1931

68

> 70

59

37

 

62

39

   

913

32

PSA at diagnosis, ng/ml

      

0.62

   

Missing

28

17

 

14

9

   

177

6

≤ 10

70

44

 

72

45

   

1952

69

> 10

63

39

 

75

46

   

715

25

cT stage

      

0.37

   

Missing

38

24

 

21

13

   

589

21

cT1

58

36

 

52

32

   

1430

50

cT2a

15

9

 

17

11

   

243

9

cT2b

8

5

 

13

8

   

147

5

cT2c

19

12

 

20

12

   

212

7

cT3/cT4

23

14

 

38

24

   

223

8

cN stage

      

0.95

   

Missing

138

86

 

112

70

   

1815

64

0

16

10

 

36

22

   

978

34

1

7

4

 

13

8

   

51

2

cM stage

      

0.13

   

Missing

35

22

 

28

17

   

386

14

0

87

54

 

104

65

   

2355

2355

1

39

24

 

29

18

   

103

4

First treatment

      

0.92

   

Missing

28

17

 

20

12

   

292

10

Surg.

51

32

 

51

32

   

1521

53

Radio.

23

14

 

28

17

   

467

16

Surv.+HIFU

5

3

 

4

2

   

111

5

Horm.+chemo.

54

34

 

58

36

   

453

16

Gleason

      

0.02

   

Missing

14

9

 

8

5

   

78

3

2-6

68

42

 

50

31

   

1393

49

7

42

26

 

66

41

   

1150

40

8-10

37

23

 

37

23

   

223

8

d’Amico generalized

      

0.26

   

Missing

27

17

 

7

4

   

291

10

Low

27

17

 

23

14

   

800

28

Intermediate

35

21

 

49

30

   

1136

40

High+Locally adv.

32

20

 

46

29

   

483

17

N + + M +

40

25

 

36

22

   

134

5

pT stage

      

0.80

   

Missing

116

72

 

117

73

   

1402

49

pT2a

10

6

 

11

7

   

280

10

pT2b

13

8

 

9

5

   

314

11

pT2c

14

9

 

14

9

   

619

22

pT3/pT4

8

5

 

10

6

   

229

8

pN stage

      

0.69

   

Missing

130

81

 

123

77

   

1911

67

0

25

15

 

28

17

   

891

31

1

6

4

 

10

6

   

42

2

PSA after treat., ng/ml

      

0.68

   

Missing

72

45

 

55

34

   

770

27

≤ 0.07

26

16

 

35

22

   

1145

40

> 0.07

63

39

 

71

44

   

929

33

  1. Surg. surgery, radio. radiotherapy, surv, surveillance, Horm, Hormone therapy, chemo. chemotherapy, inter, intermediate, treat, treatment aNumber of deceased patients