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Background and Objective: Mortality rate and causes of death is one of the main components in health planning at each society. This study was done to show the pattern of mortality trends in Iran during 1970-2009. Materials and Methods: In this cross-sectional descriptive study related data to 9740656 deaths registered in National Organization Civil Registration were surveyed and analyzed during 1970-2009. SPSS software and statistical descriptive methods were applied to evaluate the data. Results: 60.4% of all registered death was in rural areas. 61.1% were male. Crude death rate according the current statistics decreased from 13 per 1000 in 1970-75 to 5 per 1000 in 2005-09. Life expectancy with 28.6% increased from 55.2 years in 1970-75 to 71 years in 2005-09. Conclusion: This study showed that all mortality indicators in Iran were lower than other part of the world. There was a general decreasing in infant mortality rate in last three decade. Also the death registry system has been improved during study years.

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Background and Objective: The characterization of any disease have important role for the evaluation and control strategy and programming of diseases. This study was done to determine the epidemiology of Tuberculosis in Iran during 2001-08. Materials and Methods: In this descriptive cross sectional study, Annual percentage change (APC), average annual percentage change (AAPC) of Tuberculosis incidence rate, mortality of Tuberculosis, case detection rate, success percentage in Tuberculosis treatment and relapses cases during 2001-08 have been studied in Iran. Linear segmented regression model was used for analysis trend of Tuberculosis and estimate parameters. Results: The trend of Tuberculosis smear positive (SP) incidence rate was reduced in Iran during 2001-08. Anually, 4.1% and 3.6% reduction took place in incidence rate and relapses cases, respectively. Tuberculosis mortality decreased annually by 6.8% and success in case detection increased by 2.5%. The Tuberculosis treatment though AAPC is decreasing by 0.5%. The trend of Tuberculosis are higher among women and in both sexes over 65 years of age. Conclusion: This study showed that trend of SP pulmonary tuberculosis and treatment success rate is decreased, but case detection was increased.

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Background and Objective: Patients consent for medical care is a legal requirement. Consent is a document that patient must be necessary aware about all risks of surgery, treatment strategy, Substitution and the risks involved by physician. This study was done to evaluate status of filled consent form of hospitalized patients in Ardabil – Northwest of Iran. Materials and Methods: This descriptive cross sectional study was done by interview with patients and accompained patients in hospitals of Ardabil – Northwest of Iran during 2010. Patient demographics and other variables gathered by a questionnaire. Data was analyzed by Chi-Square test. Results: 86 (57%) of patients were female and 64 (43%) male. 35 (23%) were illiterate and 92 (61%) under diploma. 45% of patients get information about their illness from doctors. According to patient ideas, 13% of reception personals did not complete consent form. 65 (43.3%) of patients stated that the context of consent form was unreadable and long. Rate of completing form for patients were 87%. 40% of completed forms was not signed by witnesses. The patients and relatives were not satisfied with the form itself, and this observation statistically was significant (P<0.001). Conclusion: This study showed that validity of completed consent forms are low and it is necessary to design programs for improvement the quality of filling the consent forms.

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Background and Objective: Irritable bowel syndrome (IBS) is the most prevalent gastrointestinal disorder and is one the common conditions seen by gastroenterologists in their daily practice. This study was done to determine the prevalence of celiac disease in patients with irritable bowel syndrome in Ardabil-Iran. Materials and Methods: This descriptive study was conducted on 105 patients with IBS whome referred to the gastroenterology unit in Ardabil-Iran during 2009-10. Serum IgA anti tTG were measured all patients with positive for antibodies against tTG were candidated for upper endoscopy and biopsy. Data were analyzed using SPSS-16, t-test, Chi-Square and Fisher’s exact tests. Results: The average age of IBS subjects were 31.4±10.14 years (range 16-63 years). Celiac disease was diagnosed in 14 subjects (13.5%). The celiac patient age were 22-55 years with mean of 34.93±9.47. Among celiac afflicted patients IBS type D and M observed among 10 and 4 patients, respectivley. Celiac affected female constituted 12 (85.7%) of all patients (P<0.05). 10 of these patients were IBS-D and 4 with IBS-M. From 14 celiac patient 4 (28.57%) were family related, but this rate among IBS patient was 3.3%, this difference was significant (P<0.05). Conclusion: This study showed that the prevalence of celiac in patients with IBS is found to be 13.5% which seem is more than ther studies in other parts of Iran.