Space and time clustering: are of indeterminate significance for rare diseases,
ID: 128551 • Letter: S
Question
Space and time clustering:
are of indeterminate significance for rare diseases, because the clusters may occur by chance alone.
suggest common exposure of a group of people to an etiologic agent.
have been shown for angiosarcoma and vaginal carcinoma.
all of the above
are of indeterminate significance for rare diseases, because the clusters may occur by chance alone.
suggest common exposure of a group of people to an etiologic agent.
have been shown for angiosarcoma and vaginal carcinoma.
all of the above
Explanation / Answer
Space and time clustering is statistically significant in rare cases occurring within a limited space time. They are indeterminate significant for rare diseases because the clutter may occur alone sometimes.