Table 1: Patient demographics and risk factors (n=18).

Sex (F, M)

15 (83.3%), 3 (16.7%)

Age (mean ± SD)

48.2 ± 13.3 years

ASA class (median)

3

Pre-op BMI (mean)

38.9 ± 10.1 kg/m2

History of tobacco use

7 (38.9%)

Pre-op GERD

16 (88.9%)

Pre-op HTN

8 (44.4%)

Pre-op DM2

3 (16.7%)

Pre-op OSA

6 (33.3%)

Pre-op CAD

2 (11.1%)

Pre-op CHF

1 (5.6%)

Pre-op CKD/ESRD

2 (11.1%)

Pre-op albumin (mean ± SD)

3.8 ± 0.3 (g/dL)

SD: Standard Deviation; ASA: American Society of Anaesthesiologists; BMI: Body Mass Index; GERD: Gastroesophageal Reflux Disease; HTN: Hypertension; DM2: Type 2 Diabetes Mellitus; OSA: Obstructive Sleep Apnea; CAD: Coronary Artery Disease; CHF: Congestive Heart Failure; CKD: Chronic Kidney Disease; ESRD: End-Stage Renal Disease.