Table 3 Comparison of previous with the present study

Duration

14 years

20 years

Number of aortic dissections

33

56

   - Stanford type A

23 (70%) *

43 (77%)

   - Stanford type B

10 (30%) *

13 (23%)

Mean age

62.4 yrs

63.9 yrs

Evidence of hypertension

27 (82%)

52 (93%)

Gender ratio

M:F 15:18

M:F 36:20

Correct diagnosis considered

5 (15%)

25 (45%)

Surgery attempted

0

14 (25%)

Ruptured cases

25 (76%)

49 (88%)