rhmp_30_score: Rotterdam Hip Fracture Mortality Prediction 30 Days (RHMP-30)

In cliot: Clinical Indices and Outcomes Tools

Rotterdam Hip Fracture Mortality Prediction 30 Days (RHMP-30)

Description

Calculates the RHMP-30 Score to predict 30-day mortality in patients undergoing surgery for hip fracture. The score stratifies risk based on age, sex, ASA classification, and pre-injury housing status.

Usage

rhmp_30_score(age, sex, asa_score, housing_status)

Arguments

age	Numeric. Patient age in years. <60: 0 pts. 60-69: 1 pt. 70-79: 2 pts. 80-89: 4 pts. >=90: 6 pts.
sex	String. "Male" or "Female". (Male adds 2 pts).
asa_score	Numeric. ASA Physical Status Classification (1-5). 1-2: 0 pts. 3: 2 pts. 4: 4 pts. 5: 6 pts.
housing_status	String. Pre-injury living situation. "independent" (Home/Community): 0 pts. "institution" (Nursing Home/Assisted Living): 2 pts.

Value

A list containing:

RHMP_30_Score	The calculated risk score (Range 0-16).
Est_30_Day_Mortality	Estimated 30-day mortality risk category.

References

Nijmeijer WS, et al. Prediction of early mortality following hip fracture surgery in frail elderly: The Rotterdam Score. Injury. 2016;47(10):2138-2143. doi:10.1016/j.injury.2016.07.022

Examples

# Example 1: High Risk
# 85yo (+4), Male (+2), ASA 3 (+2), Institution (+2)
# Score = 10
rhmp_30_score(85, "male", 3, "institution")

# Example 2: Low Risk
# 65yo (+1), Female (0), ASA 2 (0), Independent (0)
# Score = 1
rhmp_30_score(65, "female", 2, "independent")

cliot documentation built on Dec. 1, 2025, 1:06 a.m.