Re: Effects of Helicobacter pylori treatment and vitamin and garlic supplementation on gastric cancer incidence and mortality: follow-up of a randomized intervention trial
(Source: BMJ Comments)
Source: BMJ Comments - October 2, 2019 Category: General Medicine Source Type: forums

Adjuvant herbal therapy for Helicobacter pylori
(Source: BMJ Comments)
Source: BMJ Comments - July 17, 2017 Category: General Medicine Source Type: forums

Epidemiology & Biostatistics
by Kruno (Posted Mon Jul 11, 2016 4:22 am)example question from the EpiStats qbank.....Brian Lee presents to the clinic with recurrent epigastric pain that occurs about two hours after eating. He attributes the pain to the stress associated with going to high school. After obtaining the relevant information from the history and physical examination, Dr. Turner suspects a helicobacter pylori infection and counsels her patient that ordering a stool antigen assay would be appropriate. Mr. Lee gives consent, but admits that he is a little confused about something. What he would like to know is why people sometimes sat that a n...
Source: Med Student Guide - July 11, 2016 Category: Universities & Medical Training Source Type: forums

Epidemiology & Biostatistics
by Kruno (Posted Mon Jul 11, 2016 4:22 am) example question from the EpiStats qbank..... Brian Lee presents to the clinic with recurrent epigastric pain that occurs about two hours after eating. He attributes the pain to the stress associated with going to high school. After obtaining the relevant information from the history and physical examination, Dr. Turner suspects a helicobacter pylori infection and counsels her patient that ordering a stool antigen assay would be appropriate. Mr. Lee gives consent, but admits that he is a little confused about something. What he would like to know is why people sometimes sat tha...
Source: Med Student Guide - July 11, 2016 Category: Universities & Medical Training Source Type: forums

sequential usmle biostats question
by Kruno (Posted Wed Apr 20, 2016 9:52 am)An imaginary study involving 650 people was conducted to assess the performance of the stool antigen assay in detecting a helicobacter pylori infection. After collecting all the test results, it was found that 250 people tested positive and 400 people tested negative. If the positive and negative predictive value were 80% and 75%, respectively, then what proportion of people with the infection were identified by the test?(A) 300/650(B) 200/250(C) 200/300(D) 200/650How would the sensitivity of the test change if the number of positive tests was higher?(A) It would increase(B) It dep...
Source: Med Student Guide - April 20, 2016 Category: Universities & Medical Training Source Type: forums

sequential usmle biostats question
by Kruno (Posted Wed Apr 20, 2016 3:52 am)An imaginary study involving 650 people was conducted to assess the performance of the stool antigen assay in detecting a helicobacter pylori infection. After collecting all the test results, it was found that 250 people tested positive and 400 people tested negative. If the positive and negative predictive value were 80% and 75%, respectively, then what proportion of people with the infection were identified by the test?(A) 300/650(B) 200/250(C) 200/300(D) 200/650How would the sensitivity of the test change if the number of positive tests was higher?(A) It would increase(B) It dep...
Source: Med Student Guide - April 20, 2016 Category: Universities & Medical Training Source Type: forums

The advantage of systematic reviews in Helicobacter pylori eradication
(Source: BMJ Comments)
Source: BMJ Comments - August 31, 2015 Category: Journals (General) Source Type: forums