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A nomogram for predicting small middle cerebral artery aneurysm rupture. The nomogram incorporated five attributes: SR, multi aneurysms, daughter dome, AR, and aneurysm angle. To use the nomogram, read the scoring points from the “Point” reference line in line with the variable, add the points from all the variables, and find the predicted probability of rupture risk at the bottom “Risk” line. AR, aspect ratio; SR, size ratio.
