Outcomes of Diabetic and Nondiabetic Patients Undergoing General and Vascular Surgery

Table 1

Study variables and demographics.

	N	Percent
Dependent variables
30-day mortality	4083	1.9%
Any Major Post-Op Morbidity	27533	13.0%
Independent variables
Diabetes
Not present	175639	83.1%
Oral	20747	9.8%
Insulin dependent	15050	7.1%
Anesthesia technique
General	185868	87.9%
Epidural	978	0.5%
Spinal	5462	2.6%
Regional	1891	0.9%
Local	56	0.0%
Monitored anesthesia care	3002	1.4%
Other	13668	6.5%
None	511	0.2%
Surgical speciality
General	177430	83.9%
Vascular	34006	16.1%
Gender: male	90088	42.6%
Smoking within 1 year	50541	23.9%
Ventilator within 48 hours	2057	1.0%
COPD	12770	6.0%
Cardiac risk	107498	50.8%
Dialysis	4984	2.4%
Steroid use	5825	2.8%
10% weight loss	3537	1.7%
Sepsis within 48 hours
None	192081	90.8%
Sepsis	5833	2.8%
Septic shock	1827	0.9%
SIRS	11695	5.5%
Emergent cases	26543	12.6%
ASA class
No ASA class assigned	2020	1.0%
No disturbance	16381	7.7%
Mild disturbance	96184	45.5%
Severe disturbance	81339	38.5%
Life threatening	14870	7.0%
Moribund	642	0.3%
Wound classification
Clean	111430	52.7%
Clean/contaminated	68374	32.3%
Contaminated	17147	8.1%
Dirty/infected	14485	6.9%

COPD: chronic obstructive pulmonary disease, ASA: American Society of Anesthesiologists, and SIRS: systemic inflammatory response syndrome.