Table 1.
Patient Demographics, Medical Phenotype and Preoperative Co-morbidities
| STOP-BANG < 3 (N = 30) |
STOP-BANG ≥ 3 (N = 68) |
P-Value | STOP-BANG < 5 (N = 68) |
STOP-BANG ≥ 5 (N = 30) |
P-Value | |
|---|---|---|---|---|---|---|
| Demographics | ||||||
| Age (years) | 67 ± 7 | 68 ± 9 | 0.63 | 67 ± 8 | 68 ± 8 | 0.74 |
| Gender, n (%) | <0.001 | <0.001 | ||||
| Male | 3 (10%) | 46 (67.6%) | 24 (35.3%) | 25 (83.3%) | ||
| Female | 27 (90%) | 22 (32.4%) | 44 (64.7%) | 5 (16.7%) | ||
| Race, n (%) | 0.069 | 0.16 | ||||
| Asian | 1 (3%) | 2 (29.4%) | 2 (2.9%) | 1 (3.3%) | ||
| Black/African-American | 0 (0%) | 5 (7.4%) | 4 (5.9%) | 1 (3.3%) | ||
| White | 29 (96.7%) | 61 (89.7%) | 62 (91.2%) | 28 (93.4%) | ||
| Pain and Medical Phenotype | ||||||
| Body Mass Index | 26.7 ± 3.9 | 30.9 ± 5.8 | <0.0001 | 28.3 ± 5.4 | 32.6 ± 5.1 | <0.0001 |
| ASA status, n (%) | 0.031 | 0.05 | ||||
| I | 1 (3.3%) | 2 (2.9%) | 3 (4.4%) | 0 (0%) | ||
| II | 28 (93.4%) | 50 (73.5%) | 57 (83.8%) | 21 (70%) | ||
| III | 1 (3.3%) | 16 (23.5%) | 8 (11.8%) | 9 (30%) | ||
| Serum CO2 (mmol/L) | 27.0 ± 2.3 | 27.4 ± 2.6 | 0.45 | 27.4 ± 2.5 | 26.9 ± 2.4 | 0.41 |
| Serum HCt (%) | 38.5 ± 3.2 | 40.0 ± 4.2 | 0.05 | 39.6 ± 4.0 | 39.3 ± 4.1 | 0.64 |
| Preoperative Co-morbidities, n (%) | ||||||
| Hypertension | 6 (20%) | 46 (67.6%) | <0.0001 | 27 (39.7%) | 25 (83.3%) | <0.0001 |
| Hyperlipidemia | 12 (40%) | 38 (55.9%) | 0.15 | 29 (42.6%) | 21 (70%) | 0.012 |
| Myocardial infarction | 0 (0%) | 4 (5.9%) | 0.31 | 1 (1.5%) | 3 (10%) | 0.084 |
| Chronic heart failure | 0 (0%) | 1 (4.5%) | 0.99 | 1 (1.5%) | 0 (0%) | 0.99 |
| Diabetes | 2 (6.7%) | 12 (17.6%) | 0.22 | 5 (7.4%) | 9 (30%) | 0.009 |
| Asthma | 4 (13.3%) | 6 (8.8%) | 0.49 | 7 (10.3%) | 3 (10%) | 0.99 |
| Chronic obstructive pulmonary disease | 0 (0%) | 2 (2.9%) | 0.99 | 2 (2.9%) | 0 (0%) | 0.99 |
| Autoimmune disease | 1 (3.3%) | 1 (1.5%) | 0.52 | 2 (2.9%) | 0 (0%) | 0.99 |
Data presented as mean ± SD for continuous variables and frequency (percentage) for categorical variables.
ASA = American Society of Anesthesiologists; Hct = hematocrit; SD = standard deviation.