Assessment of the Effects of Low-Level Laser Therapy on the Thyroid Vascularization of Patients with Autoimmune Hypothyroidism by Color Doppler Ultrasound
Table 1
Summary of the statistical analysis conducted for the trial groups: unpaired tests.
Before-intervention
After-intervention
Variables
L group , mean
P group , mean
value●
L group , mean
P group , mean
value●
(CI of 95%)
(CI of 95%)
(CI of 95%)
(CI of 95%)
Thyroid parenchyma vacularization
2.00 (1.56–2.44)
1.75 (1.29–2.21)
0.790
1.87 (1.51–2.23)
2.30 (2.03–2.57)
0.033
*
Systolic peak velocity in the superior thyroid arteries (cm/s)
31.04 (26.12–35.96)
27.16 (22.79–31.53)
0.261
33.39 (27.33–39.45)
27.77 (23.61–31.93)
0.153
Systolic peak velocity in the inferior thyroid arteries (cm/s)
28.34 (23.60–33.08)
27.31 (23.22–31.40)
0.738
34.47 (29.66–39.28)
26.12 (21.83–30.41)
0.016
*
Resistance index of the superior thyroid arteries
0.57 (0.54–0.60)
0.60 (0.56–0.65)
0.218
0.59 (0.56–0.62)
0.60 (0.57–0.63)
0.633
Resistance index of the inferior thyroid arteries
0.56 (0.53–0.59)
0.58 (0.54–0.61)
0.423
0.57 (0.53–0.61)
0.59 (0.56–0.61)
0.351
LLLT: low-level laser therapy; CI: confidence interval; cm/s: centimeter per second; ●: nonpaired Student’s -tests were used for compare the results between groups before- and after intervention; *: < 0.05.
