Predictors for the development of preoperative oxygenation impairment in acute aortic dissection in hypertensive patients

Table 3 Correlation between clinical variables and minimum oxygenation index indicated by the Spearman rank correlation test^a

Variables	r	P
Age	−0.001	0.987
Male	− 0.094	0.176
Body mass index	−0.067	0.339
Elapsed time after onset	−0.039	0.580
Current smoker	−0.011	0.871
Alcohol drinking	−0.090	0.194
Hypertension duration	−0.011	0.870
Hypertension grade
Grade 1	0.039	0.573
Grade 2	0.015	0.830
Grade 3	−0.022	0.755
Antihypertensive agent
No antihypertensive agent	0.019	0.787
Angiotensin-converting enzyme inhibitors/Angiotensin receptor blockers	−0.027	0.700
Beta-blockers	−0.027	0.702
Calcium channel blockers	−0.013	0.854
Chinese traditional medicine	−0.032	0.651
Combination therapy of antihypertensive agents	−0.064	0.356
Previous blood pressure control
< 120 mmHg	−0.092	0.185
120-140 mmHg	0.069	0.321
> 140 mmHg	0.101	0.145
Hypertensive cardiopathy	−0.019	0.781
Body temperature on admission	0.005	0.942
The peak body temperature	−0.190	0.006
The timing of the peak body temperature	−0.101	0.148
Heart rate	−0.053	0.448
Respiratory rate	−0.040	0.568
Systolic blood pressure	0.064	0.362
Diastolic blood pressure	0.022	0.747
Platelet count	0.019	0.788
White blood cell count	−0.023	0.742
Neutrophil percentage	−0.033	0.637
C-Reactive protein	−0.420	0.000
Procalcitonin	−0.149	0.032
D-dimer	−0.101	0.147
Albumin	0.271	0.000
Serum creatinine	−0.094	0.176
Creatine kinase-muscle/brain	−0.086	0.218
Troponin	−0.170	0.014
B-type natriuretic peptide	−0.167	0.016
Serum glucose	0.054	0.434
DeBakey classification	0.051	0.466

ISSN: 1471-2261