How do you calculate sensitivity and specificity? Mathematically, this can be stated as: Accuracy = TP + TN TP + TN + FP + FN. Sensitivity: The sensitivity of a test is its ability to determine the patient cases correctly. Sensitivity = TP TP + FN. Specificity: The specificity of a test is its ability…
Category: Blog
Why are England and Denmark flags so similar?
Why are England and Denmark flags so similar? The flags of England, Scotland, and the Scandinavian countries predate the dissemination of the tricolour in the 19th century. The cross patterns is said to originate from the Crusades. Today, they don’t have any political connotations except for their historical association with Christianity and the monarchy. Why…
Can someone with dementia go abroad?
Can someone with dementia go abroad? If a carer feels they need to take a break on their own, the person with dementia could go on holiday separately. This could be arranged through a company offering specialist support. Which country has the most Alzheimer patients? Alzheimers & Dementia 1 Turkey 57.64 2 Lebanon 56.14 3…
Where does Scrabble originated?
Where does Scrabble originated? 1. SCRABBLE WAS INVENTED BY AN ARCHITECT. In 1933, New York City architect Alfred Mosher Butts created an early version of the game we know as Scrabble. To determine how many tiles there should be and how many points each letter should be worth, he calculated letter frequency on the front…
Is it safe to live with asbestos popcorn ceiling?
Is it safe to live with asbestos popcorn ceiling? Thankfully, asbestos doesn’t pose any serious health risks if it’s left completely intact and undisturbed. However, popcorn ceilings are constructed from highly friable (crumbly) materials, and even the slightest disturbance can release toxic asbestos dust into the air. Does all popcorn ceilings have asbestos in them?…
Do more people live in a house or apartment?
Do more people live in a house or apartment? While 80 percent of the population would prefer to live in a single-family home, seven in ten Americans (70 percent) actually do. Apartment and condo living is only preferred by 8 percent of the population, yet two in 10 Americans (17 percent) live in an apartment…
What is the lowest form of an animal?
What is the lowest form of an animal? Sponges, Phylum Porifera, are considered the simplest animals. Sponges are multicellular animals but don’t form tissues or organs. What animal is considered intelligent? Dolphins. Dolphins are well-documented as intelligent animals. They can recognize themselves in a mirror and communicate with each other. Their large brain is structured…
How can I decompress my spine at home?
How can I decompress my spine at home? Face-Up Position You will have to lie on your bed completely straight with your face up. Your eyes should be watching the ceiling. Now keep a pillow right beneath your knees at an angle of 30 degrees. This will assist your spine to decompress itself in addition…
Where do I invest my money as a student?
Where do I invest my money as a student? Axis Bank Mutual Fund. HDFC Mutual Fund. Quantum Mutual Fund. DSP Mutual Fund. Edelweiss Mutual Fund. SBI Mutual Fund. L Mutual Fund. Mirae Asset Mutual Fund. Where should I invest if I have little money? Six ways to invest with little money Drip-feed your cash into…
What is the difference between state police and central police?
What is the difference between state police and central police? While state police forces are responsible for maintaining law and order and investigating crimes, central forces assist them with intelligence and internal security challenges (e.g., insurgencies). How many armed forces does India have? Branches Indian Armed Forces Indian Army 1,237,117 960,000 Indian Navy 67,228 55,000…