# Patient age

Source: `R/data.R`
`age_dist.Rd`

Distribution of patient ages.

    age_dist

## Format

A `data.table` with columns:

age_cat

  Age category.

age_lower

  Lower bound of age category.

age_upper

  Upper bound of age category.

age_mid

  Midpoint of age category.

prop

  Proportion of patients in age category.

Also contains the attributes:

mean

  Mean age.

sd

  Standard deviation of age.

## Source

https://seer.cancer.gov/csr/1975_2015/results_merged/topic_age_dist.pdf

## Examples

    print(age_dist)#>    age_cat age_bot age_top age_mid   prop
    #> 1:  0 - 19       0      19     9.5 0.0000
    #> 2: 20 - 34      20      34    27.0 0.0002
    #> 3: 35 - 44      35      44    39.5 0.0100
    #> 4: 45 - 54      45      54    49.5 0.0740
    #> 5: 55 - 64      55      64    59.5 0.2170
    #> 6: 65 - 74      65      74    69.5 0.3340
    #> 7: 75 - 84      75      84    79.5 0.2680
    #> 8:     85+      85     100    92.5 0.0940attr(age_dist, "mean")#> [1] 70.38598attr(age_dist, "sd")#> [1] 11.67923