calculate_quicki: Quick Index of Insulin Sensitivity (QUICKI)

In JMLuther/tabletools: Helpful Tools to Make html Tables

Quick Index of Insulin Sensitivity (QUICKI)

Description

uses the formula by Katz et al:

\frac{1}{(log_{10}(Glucose(md/dL)) + log_{10}(Insulin(uU/mL)))}

Note the original formula uses log_{10} instead of log_e, and resulting values are interchangeable using a converting factor, log_{10}=2.303 \cdot log_e

Usage

calculate_quicki(
  glucose,
  insulin,
  glucose_units = "mg/dl",
  insulin_units = "uU/ml"
)

Arguments

glucose	fasting glucose (mg/dL)
insulin	fasting insulin (uU/mL)
glucose_units	if units are not in "mg/dl", can indicate here for unit conversion (options "mg/dl" or "mmol/l")
insulin_units	if units are not in "uU/ml", can indicate here for unit conversion (options "uU/ml" or "pmol/l")

Value

QUICKI estimate of insulin sensitivity, as a single numeric value

Examples

calculate_quicki(glucose = c(93), insulin = c(12.8))
calculate_quicki(93, 12.8)
calculate_quicki(93, NA) # error
calculate_quicki(5.167, 76.8, glucose_units = "mmol/l", insulin_units = "pmol/l")

JMLuther/tabletools documentation built on April 14, 2025, 3:09 a.m.