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Table 2 Comparison of inflammatory markers for frailty

From: Inflammatory markers and physical frailty: towards clinical application

Studies

Design

Population

Inflammation parameter

TNF-α

TNFR1

TNFR2

genotype

IL-6

CRP

Schaap 2009

Longitudinal (5y)

≥ 70y, n = 2177

+

+

+

N/S

-

-

Aguirre 2014

Cross-sectional

≥ 65y, n = 107

N/S

+

N/S

N/S

-

-

Arts 2015

Cross-sectional

≥ 60y, n = 366

N/S

N/S

N/S

N/S

-

-

Liu 2016

Cross-sectional

> 60y, n = 1919

N/S

N/S

-

N/S

+

-

Mekli 2016

Cross-sectional

≥ 50y, n = 3160

N/S

N/S

N/S

+

N/S

N/S

Tay 2016

Longitudinal (1y)

≥ 65y, n = 99

+

N/S

N/S

N/S

-

N/S

Van Epps 2016

Cross-sectional

≥ 60y, n = 117

N/S

+

+

N/S

+

-

Langmann 2017

Longitudinal (2y)

≥ 65y, n = 178

Baseline

N/S

+

+

N/S

+

+

1y Follow-up

N/S

-

-

N/S

+

+

Marcos-Pérez 2018

Cross-sectional

≥ 65y, n = 259

+

N/S

+

N/S

+

+

Yang 2018

Cross-sectional

≥ 60y, n = 435

N/S

N/S

N/S

N/S

-

-

Navarro-Martínez 2019

Cross-sectional

≥ 50y, n = 46

-

N/S

N/S

N/S

+

+

Prince 2019

Cross-sectional

≥ 30y, n = 68

N/S

N/S

N/S

+

N/S

N/S

Buigues 2020

Longitudinal (1y)

≥ 50y, n = 39

Baseline

-

N/S

N/S

N/S

+

+

1y Follow-up

-

N/S

N/S

N/S

+

-

Furtado 2020

Cross-sectional

≥ 75y, n = 358

+

N/S

N/S

N/S

+

-

Castellana 2021

Longitudinal (6y)

≥ 65y, n = 1929

+

N/S

N/S

N/S

+

-

Castro-Herrera 2021

Cross-sectional

≥ 65y, n = 184

-

N/S

-

N/S

-

+

McKechnie 2021

Longitudinal (3y)

≥ 70y, n = 981

N/S

N/S

N/S

N/S

+

-

Teixeira-Gomes 2021

Cross-sectional

≥ 65y, n = 291

N/S

N/S

N/S

N/S

+

+

McKechnie 2022

Cross-sectional

≥ 70y, n = 1399

N/S

N/S

N/S

N/S

+

+

Pansarasa 2022

Cross-sectional

≥ 75y, n = 219

+

N/S

N/S

N/S

+

+

Samson 2022

Longitudinal (20y)

≥ 65y, n = 144

Baseline

N/S

N/S

N/S

N/S

+

+

5y Follow-up

N/S

N/S

N/S

N/S

-

-

  1. Abbreviations: IL, interleukin; TNF, tumor necrosis factor; CRP, C-reactive protein