gupta_pneumonia_risk: Gupta Postoperative Pneumonia Risk
In cliot: Clinical Indices and Outcomes Tools

gupta_pneumonia_risk

R Documentation

Gupta Postoperative Pneumonia Risk

Description

Calculates the percentage risk of developing postoperative pneumonia based on the Gupta et al. (2013) model derived from the NSQIP database. This calculator is designed for adult patients undergoing non-cardiac and cardiac surgeries.

Usage

gupta_pneumonia_risk(age, copd, functional_status, asa_class, sepsis_status,
                     smoker, procedure_type)

Arguments

`age`	Numeric. Patient age in years.
`copd`	Numeric (0 or 1). History of COPD. (1 = Yes).
`functional_status`	String. Preoperative functional status. Options: "independent", "partially_dependent", "totally_dependent".
`asa_class`	Numeric. ASA Physical Status Classification (1-5).
`sepsis_status`	String. Preoperative sepsis category. Options: "none", "sirs" (Systemic Inflammatory Response Syndrome), "sepsis", "septic_shock".
`smoker`	Numeric (0 or 1). Current smoker (within 1 year). (1 = Yes).
`procedure_type`	String. Surgical procedure category. Valid options include: "anorectal", "aortic", "bariatric", "brain", "breast", "cardiac", "ent", "foregut_hepatopancreatobiliary", "gallbladder_appendix_adrenal_spleen", "hernia_ventral_inguinal", "intestinal", "neck_thyroid_parathyroid", "obgyn", "orthopedic", "other_abdominal", "peripheral_vascular", "skin", "spine", "thoracic_non_cardiac", "urology", "vein".

Value

A list containing:

Pneumonia_Risk_Percent

The estimated probability of postoperative pneumonia.

References

Gupta H, Gupta PK, Schuller D, et al. Development and validation of a risk calculator for predicting postoperative pneumonia. Mayo Clin Proc. 2013;88(11):1241-1249. doi:10.1016/j.mayocp.2013.06.027

Examples


# Example 1: High Risk (Aortic Surgery)
# 75yo, COPD, Totally Dependent, ASA 4, Sepsis, Smoker
gupta_pneumonia_risk(75, 1, "totally_dependent", 4, "sepsis", 1, "aortic")

# Example 2: Low Risk (Hernia Repair)
# 40yo, Independent, ASA 1, No Sepsis/Smoke
gupta_pneumonia_risk(40, 0, "independent", 1, "none", 0, "hernia_ventral_inguinal")

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