Adds a column with N (or N missing) for each variable

The function assumes the DEFAULT header are in use. Only modify header rows after all columns has been added.

add_n(x, missing = FALSE, last = FALSE)

Arguments

x	object with class fmt_table1 from the fmt_table1 function
missing	logical argument indicating whether to print N (missing = FALSE), or N missing (missing = TRUE). Default is FALSE
last	logical indicator to include overall column last. Default is FALSE

Examples

trial %>% fmt_table1(by = "trt") %>% add_n()
#> 
#> Variable            N                   Drug                Placebo            
#>                                         N = 107             N = 93             
#> Age, yrs            192                 47 (39, 58)         46 (36, 54)        
#> Unknown                                 3                   5                  
#> Marker Level, ng/mL 192                 0.61 (0.22, 1.20)   0.72 (0.22, 1.63)  
#> Unknown                                 4                   4                  
#> T Stage             200                                                        
#> T1                                      25 (23%)            26 (28%)           
#> T2                                      26 (24%)            23 (25%)           
#> T3                                      29 (27%)            13 (14%)           
#> T4                                      27 (25%)            31 (33%)           
#> Grade               200                                                        
#> I                                       38 (36%)            29 (31%)           
#> II                                      34 (32%)            24 (26%)           
#> III                                     35 (33%)            40 (43%)           
#> Tumor Response      191                 52 (51%)            30 (33%)           
#> Unknown                                 6                   3