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Table 1 Prevalence of CM among DVA and non-DVA cases by MRI imaging between 2001–2012 at Beijing Tiantan hospital

From: The association between cerebral developmental venous anomaly and concomitant cavernous malformation: an observational study using magnetic resonance imaging

DVA type

CM

Non- CM

Total

CM prevalence

DVA

205

1634

1839

11.15%

Non-DVA

3651

159740

163391

2.23%

Total

3856

161374

165230

2.33%

  1. X 2 = 617.75, P<0.01.