. 2022 Feb 21;23(4):489–498. doi: 10.1111/pedi.13322

TABLE 4.

Moderator analysis of the effect of type 1 diabetes on aortic intima media thickness

Variable	Comparison (number of studies)	Mean difference in aIMT between type 1 diabetes and controls (95% CIs); I²	P value for difference between comparison groups
Probe	Linear array (5) Phased array (1)	0.11 (0.04, 0.17) mm; 95% 0.29 (0.25, 0.33) mm; 0%	<0.001
Ultrasound frequency	≤10 MHz (4) >10 MHz (3)	0.17 (0.06, 0.29) mm; 96% 0.06 (0.05, 0.08) mm; 0%	0.064
Calculation method	Calipers (4) Software (4)	0.17 (0.05, 0.29) mm; 98% 0.06 (0.04, 0.08) mm; 0%	0.088

Variable

Comparison (number of studies)

Mean difference in aIMT between type 1 diabetes and controls (95% CIs); I²

P value for difference between comparison groups

Probe

Linear array (5)

Phased array (1)

0.11 (0.04, 0.17) mm; 95%

0.29 (0.25, 0.33) mm; 0%

<0.001

Ultrasound frequency

≤10 MHz (4)

>10 MHz (3)

0.17 (0.06, 0.29) mm; 96%

0.06 (0.05, 0.08) mm; 0%

0.064

Calculation method

Calipers (4)

Software (4)

0.17 (0.05, 0.29) mm; 98%

0.06 (0.04, 0.08) mm; 0%

0.088