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Converts BSA percentage to the ordinal scale for HASI-R scoring.

Source: R/hasi_bsa_to_ordinal.R
hasi_bsa_to_ordinal.Rd

Converts BSA percentage to the ordinal scale for HASI-R scoring.

Usage

hasi_bsa_to_ordinal(
  bsa_percent_within_site = NULL,
  bsa_percent_total_body = NULL,
  bsa_ordinal = NULL,
  bodysite = NULL
)

Arguments

bsa_percent_within_site

Numeric vector representing BSA percentages (0-100)

bsa_percent_total_body

Numeric vector representing BSA percentages (0-15, depending on site)

bsa_ordinal

Numeric vector representing BSA values. (0-6)

bodysite

Optional character vector representing body sites

Value

Integer vector representing the ordinal scale values

References

Goldfarb N, Lowes MA, Butt M, King T, Alavi A, Kirby JS. Hidradenitis Suppurativa Area and Severity Index Revised (HASI-R): psychometric property assessment. Br J Dermatol. 2021 May;184(5):905-912. doi: 10.1111/bjd.19565. Epub 2020 Dec 30. PMID: 32969027; PMCID: PMC8573730.

See also

Other HASI: hasi_r_num()

Examples

hasi_bsa_to_ordinal(c(0, 2, 5, 12, 25, 40, 75))
#> [1] 0 1 2 3 4 5 6