The average salary is 24,000, but most people earn less. Most people have an above average number of feet. In his fourth lesson of a weekly series, author Michael Blastland cracks the myth of the average.ith incomes, to take another example, many people are aware that the average in the UK (also known as the mean) is about 24,000 a year (in fact, about 463 a week).
Unlike a colonoscopy, however, the 'range' of a sigmoidoscopy is not as good; whilst a colonoscopy can visualise the entire large bowel, a sigmoidoscopy can only visualise as far as the sigmoid colon (it is therefore primarily used to visualise the rectum and parts of the sigmoid colon).nlike a colonoscopy, however, the 'range' of a sigmoidoscopy is not as good; whilst a colonoscopy can visualise the entire large bowel, a sigmoidoscopy can only visualise as far as the sigmoid colon (it is therefore primarily used to visualise the rectum and parts of the sigmoid colon).
Because of the medicines given for the test, you will need someone to take you home. Because colonoscopy is usually done with drugs that make you sleepy, most people miss work the day of the test. After a sigmoidoscopy, you get up and walk out.tâs sent to a lab for a doctor to look at under a microscope and check for cancer or pre-cancer cells. If a polyp or colorectal cancer is found during sigmoidoscopy, you will need to have a colonoscopy later to check for polyps or cancer in the rest of your colon.