0.1 Raw data description

## ------------------------------------------------------------------------- 
## Describe database[-c(1, 2)] (tbl_df, tbl, data.frame):
## 
## data.frame:  423 obs. of  7 variables
## 
##   Nr  ColName       Class      NAs       Levels         Label       
##   1   Death         factor     .         (2): 1-0, 2-1  Death       
##   2   Age           numeric    .                        Age (years) 
##   3   Neutrophiles  numeric    3 (0.7%)                 Neutrophiles
##                                                         (#/μl)      
##   4   Creatinine    numeric    .                        Creatinine  
##                                                         (mg/dl)     
##   5   Leucocytes    numeric    2 (0.5%)                 Leucocytes  
##                                                         (#/μl)      
##   6   TI            character  .                        ICU stay    
##   7   ICU           factor     .         (2): 1-0, 2-1  ICU         
## 
## 
## ------------------------------------------------------------------------- 
## 1 - Death (factor - dichotomous) :
##   Death
## 
## 
##   length      n    NAs unique
##      423    423      0      2
##          100.0%   0.0%       
## 
##    freq   perc  lci.95  uci.95'
## 0   394  93.1%   90.3%   95.2%
## 1    29   6.9%    4.8%    9.7%
## 
## ' 95%-CI Wilson

## ------------------------------------------------------------------------- 
## 2 - Age (numeric) :
##   Age (years)
## 
## 
##   length       n    NAs  unique     0s   mean  meanCI
##      423     423      0      31      0  75.70   75.03
##           100.0%   0.0%           0.0%          76.38
##                                                      
##      .05     .10    .25  median    .75    .90     .95
##    66.00   67.00  70.00   76.00  80.00  86.00   88.00
##                                                      
##    range      sd  vcoef     mad    IQR   skew    kurt
##    36.00    7.07   0.09    8.90  10.00   0.45   -0.45
##                                                      
## lowest : 65.0 (18), 66.0 (14), 67.0 (25), 68.0 (21), 69.0 (23)
## highest: 91.0, 92.0 (2), 93.0 (3), 94.0 (2), 101.0

## ------------------------------------------------------------------------- 
## 3 - Neutrophiles (numeric) :
##   Neutrophiles (#/μl)
## 
## 
##   length      n    NAs  unique     0s   mean  meanCI
##      423    420      3     266      0  75.90   73.96
##           99.3%   0.7%           0.0%          77.84
##                                                     
##      .05    .10    .25  median    .75    .90     .95
##    49.99  57.29  65.57   76.85  85.00  91.00   92.61
##                                                     
##    range     sd  vcoef     mad    IQR   skew    kurt
##   260.00  20.22   0.27   13.94  19.43   4.39   38.78
##                                                     
## lowest : 12.0, 20.76, 38.2, 38.4, 38.5
## highest: 97.0, 153.0, 227.0, 246.0, 272.0

## ------------------------------------------------------------------------- 
## 4 - Creatinine (numeric) :
##   Creatinine (mg/dl)
## 
## 
##   length       n    NAs  unique    0s  mean  meanCI
##      423     423      0     155     3  1.21    1.13
##           100.0%   0.0%          0.7%          1.29
##                                                    
##      .05     .10    .25  median   .75   .90     .95
##     0.59    0.66   0.80    0.98  1.30  1.91    2.47
##                                                    
##    range      sd  vcoef     mad   IQR  skew    kurt
##     7.41    0.84   0.69    0.33  0.50  3.73   18.43
##                                                    
## lowest : 0.0 (3), 0.28, 0.37, 0.4, 0.42
## highest: 5.4, 5.91, 6.15, 6.79, 7.41

## ------------------------------------------------------------------------- 
## 5 - Leucocytes (numeric) :
##   Leucocytes (#/μl)
## 
## 
##   length      n    NAs  unique     0s   mean  meanCI
##      423    421      2     352      0  10.62    9.41
##           99.5%   0.5%           0.0%          11.82
##                                                     
##      .05    .10    .25  median    .75    .90     .95
##     3.75   4.60   6.29    8.53  11.98  16.29   19.19
##                                                     
##    range     sd  vcoef     mad    IQR   skew    kurt
##   177.06  12.56   1.18    3.85   5.69   9.46  109.43
##                                                     
## lowest : 1.1, 1.67, 2.04 (2), 2.15, 2.27
## highest: 42.64, 53.98, 92.0, 146.44, 178.16

## ------------------------------------------------------------------------- 
## 6 - TI (character - dichotomous) :
##   ICU stay
## 
## 
##   length      n    NAs unique
##      423    423      0      2
##          100.0%   0.0%       
## 
##      freq   perc  lci.95  uci.95'
## no    391  92.4%   89.5%   94.6%
## yes    32   7.6%    5.4%   10.5%
## 
## ' 95%-CI Wilson

## ------------------------------------------------------------------------- 
## 7 - ICU (factor - dichotomous) :
##   ICU
## 
## 
##   length      n    NAs unique
##      423    423      0      2
##          100.0%   0.0%       
## 
##    freq   perc  lci.95  uci.95'
## 0   391  92.4%   89.5%   94.6%
## 1    32   7.6%    5.4%   10.5%
## 
## ' 95%-CI Wilson

## ------------------------------------------------------------------------- 
## Age ~ Death
## 
## Summary: 
## n pairs: 423, valid: 423 (100.0%), missings: 0 (0.0%), groups: 2
## 
##                         
##               0        1
## mean     75.536   77.966
## median   75.000   78.000
## sd        7.067    6.869
## IQR      10.000   11.000
## n           394       29
## np      93.144%   6.856%
## NAs           0        0
## 0s            0        0
## 
## Kruskal-Wallis rank sum test:
##   Kruskal-Wallis chi-squared = 3, df = 1, p-value = 0.07

## ------------------------------------------------------------------------- 
## Neutrophiles ~ Death
## 
## Summary: 
## n pairs: 423, valid: 420 (99.3%), missings: 3 (0.7%), groups: 2
## 
##                         
##               0        1
## mean     75.332   83.610
## median   76.100   89.200
## sd       20.555   12.834
## IQR      19.150   12.900
## n           391       29
## np      93.095%   6.905%
## NAs           3        0
## 0s            0        0
## 
## Kruskal-Wallis rank sum test:
##   Kruskal-Wallis chi-squared = 19, df = 1, p-value = 0.00001