International Scholarly Research Notices / 2012 / Article / Tab 1

Clinical Study

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-interventionAfter-intervention
VariablesL group
, mean
P group
, mean
valueL group
, mean
P group
, mean
value
(CI of 95%)(CI of 95%)(CI of 95%)(CI of 95%)

Thyroid parenchyma vacularization2.00
(1.56–2.44)
1.75
(1.29–2.21)
0.7901.87
(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)
0.26133.39
(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)
0.73834.47
(29.66–39.28)
26.12
(21.83–30.41)
0.016 *
Resistance index of the superior thyroid arteries0.57
(0.54–0.60)
0.60
(0.56–0.65)
0.2180.59
(0.56–0.62)
0.60
(0.57–0.63)
0.633
Resistance index of the inferior thyroid arteries0.56
(0.53–0.59)
0.58
(0.54–0.61)
0.4230.57
(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.

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