Get Virtual Care
For Businesses
About Us
A member asked:
For a bone age test what does "standard deviation of 9 months mean? is it 9 months above the mean or 9 months below the mean?
2 doctors weighed in across 2 answers
The standard deviation is a measure of how the bell shaped curve of data from say many folks of your age and gender and ethnicity. 2 SD PLUS Or minus includes about 95% of folks studied. By convention if your value IS plus 2 SDs you are high. If below then you are 2 low. Review standard deviation on wiki for more details. You did not give your value it’s self.
Answered 2/12/2022
0 views
Standard deviation (SD) is a statistical term. Mean is the average, Mean plus and minus one SD covers about 65% of the population. Mean plus minus 2 SD covers about 95% of the population. Visit this for more info on this topic: https://en.wikipedia.org/wiki/Standard_deviation
Answered 2/13/2022
0 views
Related Questions
A member asked:
Does having a small skeletal frame means that my bones will age slower?
A doctor has provided 1 answer
A member asked:
I was told by a neurosurgeon that my neck bone shows aging. I am 21 years of age. What does this mean? Can I reverse it?
A doctor has provided 1 answer
A member asked:
What is the ideal bone age for a girl age 6 and a filipino?so i will know when i get the result of my kid for her bone age test.
A doctor has provided 1 answer
A member asked:
One of your doctors said bone plates do not completely close until age 30. Does that mean I can still grow taller in height until age 30?
A doctor has provided 1 answer
A member asked:
I grew half inch last year...i just turned 17...i am 5"5 inches..my bone age test when I was 13 said my bones were 11.7..am i done growing?
3 doctors weighed in across 3 answers
People also searched for:
My 14 year old son's bone age was cited as 2 STD deviations above his chronological age. what does this mean in terms of his growth potential?
I had a Bone Density test. The result was : R-6.59 L-6.20 Lumbar 9.82 What does this mean?
What does a "low normal" bone density test mean?
Hi. What does it mean four my bone marrow test comes back inconclusive?
Does a bone biopsy test for leukemia? My doctor wants me to have a bone biopsy. Does this mean he thinks I have leukemia?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Download HealthTap
Video visit and message your doctor
