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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