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.
Sometimes, a cancerous thyroid nodule can't be seen or felt by you or your doctor. In those cases, you may notice a swollen lymph node instead. Lymph nodes fight infection and are located throughout your body. If thyroid cancer spreads to the lymph nodes in your neck, then the lymph nodes will become swollen. Lymph nodes can become enlarged for a variety of reasonsâmany of them not related to thyroid cancer. When you have a severe sore throat, for instance, the lymph nodes in your neck may swell.