Associated Factor % HC/% Controls OR 95% CI P
Admission Diagnosis   0.7   0.6 – 1 0.046    
Cigarette smoking 17.5/0.3 12.4 3.6 - 42.7 0.001
Cancer 52.4/37 1.9 1.1 - 3.2 0.023    
Vasculopathy 39.7/27.7 1.8 1 -3.1 0.046
Coronary artery disease 15.9/6.6 2.2 1 -5.1 0.049
Chronic atrial fibrillation 19/10.4 2 1- 4.1 0.049
Hypertension 66.7/48.5 1.7 1 - 2.9 0.070
PTCA/CABG 6.3/2.3 2.9 0.8 - 9.8 0.094
Chronic Renal Failure 11.1/8.4 0.9 - 4.4 0.100
Chronic liver failure 7.9/6.4 0.4 0.1 - 1.8 0.247
OSAS 1.6/0.6 2.8 0.2 - 31.1 0.408
DM 30.2/22 1.3 0.7 - 2.3 0.443
Myocardial infarction 9.5/15 0.7 0.3 - 1.7 0.449
Stroke/TIA 7.9/2 0.5 0.1 - 3.9 0.500
Heart Failure 7.9/14.4 1.1 0.5 - 2.3 0.832
COPD 38.1/40.5 1 0.6 -1.7 0.942
Table 3: Univariate Analysis of factors associated with Hypertensive Crisis.