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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. May 27, 2026; 18(5): 118655
Published online May 27, 2026. doi: 10.4240/wjgs.v18.i5.118655
Table 2 Thyroid nodule ultrasonography features in the two groups are compared, n (%)
Ultrasound characteristics
Surgical group (n = 85)
Non-surgical group (n = 35)
χ2/t
P value
Nodule characteristics14.587< 0.001
    Cystic34 (40.00)5 (14.29)
    Reality51 (60.00)30 (85.71)
Internal echo9.3470.002
    Equal/high echo28 (32.94)3 (8.57)
    Low echo57 (67.06)32 (91.43)
Calcification0.1340.715
    Have20 (23.53)7 (20.00)
    None65 (76.47)28 (80.00)
Nodule boundary11.3350.001
    Clear54 (63.53)13 (37.14)
    Vague31 (36.47)22 (62.86)
Aspect ratio10.5380.001
    ≥ 121 (24.71)18 (51.43)
    < 164 (75.29)17 (48.57)


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