The interval for non-smokers goes from about 0.36 up to 0.48. The interval for the smokers (which starts at 0.55) and the interval for the non-smokers (which ends at 0.48) do not overlap - that is another sign that the differences seen in this study was significant. Statistical Significance and Confidence Intervals
Symptom: Swollen Neck. A goiter is an enlargement of the thyroid gland, As shown here; an enlarged thyroid can be seen as a swelling in the front of the neck. A goiter can occur both as a result of hypothyroidism and hyperthyroidism.It can sometimes also result from tumors or nodules that develop within the thyroid gland.ymptom: Swollen Neck. A goiter is an enlargement of the thyroid gland, As shown here; an enlarged thyroid can be seen as a swelling in the front of the neck. A goiter can occur both as a result of hypothyroidism and hyperthyroidism.
Swelling of the thyroid gland (goiter) If you are affected by Hashimoto's disease, your neck may often look big and thick as shown in the Figure. This is because your thyroid gland is swollen and enlarged. This swelling (goiter) often leads to the diagnosis of Hashimoto's disease. The size of the goiter varies widely.