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. 2015 Sep;36(9):1782–1785. doi: 10.3174/ajnr.A4352

Table 2:

Prevalence of DVAs in study and control populationsa

Total DVA+ (%) 95% CI Z Score P Value
Neoplasm 580 59 (10.17) 7.97–12.90 3.07 .003
Controls 580 31 (5.34) 3.79–7.48

Note:—DVA+ indicates the number of subjects in group who had a confirmed DVA.

a

The neoplasm group had a >10% prevalence of DVAs, compared with just over 5% for the control group. The latter is similar to recently published prevalence data.