Create a baseline table

Create a baseline table

Usage

create_baseline(data, ..., by.var, add.p = FALSE, add.overall = FALSE)

Arguments

data

data

...

passed as fun.arg to baseline_table()

add.p

add comparison/p-value

add.overall

add overall column

strat.var

grouping/strat variable

Value

gtsummary table list object

Examples

mtcars |> create_baseline(by.var = "gear", add.p="yes"=="yes")


  
Characteristic
      
3

N = 151
      
4

N = 121
      
5

N = 51
      
p-value2
    
mpg
15.5 (14.3, 18.7)
22.8 (21.0, 28.9)
19.7 (15.8, 26.0)
<0.001
cyl






<0.001
    4
1 (6.7%)
8 (67%)
2 (40%)

    6
2 (13%)
4 (33%)
1 (20%)

    8
12 (80%)
0 (0%)
2 (40%)

disp
318 (276, 400)
131 (79, 160)
145 (120, 301)
<0.001
hp
180 (150, 215)
94 (66, 110)
175 (113, 264)
<0.001
drat
3.08 (3.00, 3.21)
3.92 (3.90, 4.10)
3.77 (3.62, 4.22)
<0.001
wt
3.73 (3.44, 4.07)
2.70 (2.07, 3.17)
2.77 (2.14, 3.17)
<0.001
qsec
17.42 (17.02, 18.00)
18.76 (18.41, 19.69)
15.50 (14.60, 16.70)
0.002
vs
3 (20%)
10 (83%)
1 (20%)
0.001
am
0 (0%)
8 (67%)
5 (100%)
<0.001
carb






0.2
    1
3 (20%)
4 (33%)
0 (0%)

    2
4 (27%)
4 (33%)
2 (40%)

    3
3 (20%)
0 (0%)
0 (0%)

    4
5 (33%)
4 (33%)
1 (20%)

    6
0 (0%)
0 (0%)
1 (20%)

    8
0 (0%)
0 (0%)
1 (20%)

1 Median (Q1, Q3); n (%)
    
2 Kruskal-Wallis rank sum test; Fisher’s exact test