Value of two-dimensional shear wave elastography quantitative analysis for evaluation of thyroid function in first trimester pregnancy

Table 3 Comparison of two-dimensional shear wave elastography quantitative parameters between patients with abnormal and normal thyroid antibodies in the pregnant group, shown as mean ± SD, median (5^th-95^th percentile)

Characteristics	Emean of transverse thyroid right lobe	Emax of transverse thyroid right lobe	Emean of transverse thyroid left lobe	Emax1 of transverse thyroid left lobe	Emean1 of longitudinal thyroid right lobe	Emax of longitudinal thyroid right lobe	Emean1 of longitudinal thyroid left lobe	Emax of longitudinal thyroid left lobe
Pregnant with normal thyroid antibodies (n = 59)	22.31 ± 4.95, 22.23 (21.13-24.00)	41.15 ± 7.04, 40.75 (39.59-43.05)	21.12 ± 5.39, 21.15 (18.60-23.37)	39.45 ± 8.48, 40.36 (38.28-42.56)	22.60 ± 5.68, 21.48 (20.20-23.51)	40.87 ± 7.12, 41.69 (37.68-43.25)	23.96 ± 5.15, 23.41 (21.37-25.52)	41.67 ± 7.25, 42.11 (38.74-43.27)
Pregnant with abnormal thyroid antibodies (n = 11)	23.69 ± 7.04, 22.44 (18.14-30.02)	40.98 ± 8.67, 38.01 (32.86-50.75)	22.59 ± 4.68, 22.85 (19.78-26.62)	40.19 ± 5.32, 41.32 (38.33-42.48)	22.16 ± 5.03, 21.54 (17.07-27.04)	39.15 ± 6.16, 41.20 (33.36-44.13)	23.95 ± 6.56, 20.45 (18.75-32.74)	39.89 ± 6.99, 38.25 (33.08-48.71)
t/Z	0.788	0.071	0.847	0.281	0.242	0.748	0.002	0.753
P value	0.434	0.944	0.365	0.779	0.809	0.457	0.999	0.454

¹Non-normal distribution.

2D SWE: Two-dimensional shear wave elastography; Emean: Mean elasticity; Emax: Maximal elasticity.