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.
Goiter is a swelling (hypertrophy) of a gland in the neck called the thyroid gland. 1-3 The thyroid gland is situated in front of the windpipe and is responsible for producing and secreting hormones that regulate growth and metabolism.n rare cases, enlargement of the thyroid gland is caused by cancer, leading to a diagnosis of thyroid cancer rather than goiter. 3. The degree of swelling, and the severity of symptoms produced by the goiter depend on the individual.