Table 2 Basic information and dose data of the patients.

From: Body physical parameters instead of water equivalent diameter to calculate size-specific dose estimate in adult chest CT

 

All patients

Male patients

Female patients

Z*

p*

N

776

378

398

Age (years)

44 ± 26

62 ± 15

39 ± 27

− 15.095

 < 0.001

Height (cm)

163 ± 11

169 ± 8

158 ± 7

− 18.165

 < 0.001

Weight (kg)

58 ± 13.5

64.5 ± 13.13

54 ± 10

− 14.824

 < 0.001

BMI (kg/m2)

21.98 ± 4.2

22.81 ± 4.39

21.09 ± 3.86

− 6.144

 < 0.001

Dw (cm)

23.77 ± 2.54

24.30 ± 2.41

23.3 ± 2.69

− 6.736

 < 0.001

CTDIvol (mGy)

3.03 ± 0.83

3.24 ± 0.85

2.85 ± 0.73

− 8.301

 < 0.001

SSDEreference (mGy)

4.62 ± 0.92

4.86 ± 1.04

4.43 ± 0.81

− 7.547

 < 0.001

DLP (mGy cm)

106.42 ± 7.64

115.63 ± 27.01

95.79 ± 25.4

− 12.97

 < 0.001

  1. Parameters were represented as M ± IQR; *Comparison of relevant parameters between male and female patients. BMI Body mass index, Dw water equivalent diameter, CTDIvol volume computed tomography dose index, SSDE size-specific dose estimate.