tbl_split.md
In gtsummary: Presentation-Ready Data Summary and Analytic Result Tables

no errors/warnings with standard use

Code
  tbl_split(t1, variables = age) %>% purrr::map(as_tibble)
Output
  [[1]]
  # A tibble: 5 x 2
    `**Characteristic**`   `**N = 200**`
    <chr>                  <chr>        
  1 Chemotherapy Treatment <NA>         
  2 Drug A                 98 (49%)     
  3 Drug B                 102 (51%)    
  4 Age                    47 (38, 57)  
  5 Unknown                11

  [[2]]
  # A tibble: 15 x 2
     `**Characteristic**`   `**N = 200**`    
     <chr>                  <chr>            
   1 Marker Level (ng/mL)   0.64 (0.22, 1.39)
   2 Unknown                10               
   3 T Stage                <NA>             
   4 T1                     53 (27%)         
   5 T2                     54 (27%)         
   6 T3                     43 (22%)         
   7 T4                     50 (25%)         
   8 Grade                  <NA>             
   9 I                      68 (34%)         
  10 II                     68 (34%)         
  11 III                    64 (32%)         
  12 Tumor Response         61 (32%)         
  13 Unknown                7                
  14 Patient Died           112 (56%)        
  15 Months to Death/Censor 22.4 (16.0, 24.0)