OnlyPatientsPresentingAfter: Only patients presenting later than a specific delay
In martingerdin/bengaltiger: bengaltiger

Keeps only the patients whom presented later than a specific delay, where delay refers to the time between injury and arrival to hospital.

1 2	OnlyPatientsPresentingAfter(study.sample, delay.variable.name = "delay", delay.cutoff = 6, remove.missing = TRUE)

`study.sample`	Data frame. The study sample. No default.
`delay.variable.name`	Character vector of length 1. The name of the delay variable. Defaults to "delay".
`delay.cutoff`	Numeric vector of length 1. The delay cutoff in hours. Defaults to 6, i.e. only observations with an delay equal to or more than 6 hours are kept in the sample.
`remove.missing`	Logical vector of length 1. If TRUE all observations with missing delay, as detected by is.na, are removed from the sample. Defaults to TRUE.