Variables | Previous study | 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%) |