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Table 3 Reference of past similar studies

From: Preoperative spirometry and BMI in deep inspiration breath-hold radiotherapy: the early detection of cardiac and lung dose predictors without radiation exposure

Authors

Year

Sample size

Objective variable

Exploring variable

Pearson's correlation coefficient

Hjelstuen [27]

2015

16, 18

(two cohorts)

MHD

LV-FB

LV-FB

PFT

− 0.81

0.85

Lee [28]

2016

88

MHD

LV-FB

− 0.59

Cao [14]

2019

67

ΔMHD

MLD

ΔLV

LV-FB

0.44

0.33

Yamauchi [29]

2020

85

ΔMHD

BMI

0.25

Mkanna [30]

2018

103

ΔMHD

BMI

0.32

Czeremszynska [31]

2017

31

ΔMHD

ΔMHD

BMI

LV-FB

0.44

− 0.58

Browne [32]

2020

31

MHD

BMI

0.51

  1. MHD: mean heart dose, ΔMHD: mean heart dose difference between free-breathing and deep inspiration breath-hold, LV: the lungs volume, LV-FB: the lungs volume on free-breathing CT, ΔLV: LV difference between deep inspiration breath-hold and free-breathing, PFT: pulmonary function test, MLD: mean lung dose, BMI: body mass index, r: correlation coefficient
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Radiation Oncology

ISSN: 1748-717X

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