International Newborn Size References for Very Preterm Infants: table of z-score for birthweight-for-gestational age for very preterm infants

Usage

bw_gestage_pt_sd

Format

A tibble with 882 rows and 5 columns:

week: Gestational age weeks component
day: Gestational age days component
sex: Sex; 1 = male; 2 = female
sd: Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3
bw: Birthweight in kilograms

Source

Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC, Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference charts. Lancet 2016, 387(10021):844-45.

Examples

bw_gestage_pt_sd
#> # A tibble: 882 × 5
#>    week  day     sex sd    bw   
#>    <chr> <chr> <dbl> <chr> <chr>
#>  1 24    0         1 -3SD  0.36 
#>  2 24    0         1 -2SD  0.43 
#>  3 24    0         1 -1SD  0.53 
#>  4 24    0         1 0     0.64 
#>  5 24    0         1 1SD   0.77 
#>  6 24    0         1 2SD   0.94 
#>  7 24    0         1 3SD   1.14 
#>  8 24    1         1 -3SD  0.36 
#>  9 24    1         1 -2SD  0.44 
#> 10 24    1         1 -1SD  0.54 
#> # … with 872 more rows