Table 2.
Co-morbidities recorded at baseline
| Variable | |
|---|---|
| Edmonton Obesity Staging System | |
| 0 | 5.7 |
| I | 11.6 |
| II | 55.1 |
| III | 11.5 |
| IV | 16.1 |
| T2D status | |
| No indication of T2D | 71.3 |
| Impaired glycaemia or impaired glucose tolerance | 4.4 |
| Oral hypoglycemics | 17.3 |
| Insulin treatment | 7 |
| T2D duration | |
| ≤5 yr | 59.2 |
| 6–10 yr | 22.4 |
| >10 yr | 18.4 |
| Hypertension status | |
| No indication of hypertension; or on no treatment | 63.2 |
| Hypertension on treatment | 36.8 |
| Dyslipidemia status | |
| No indication of dyslipidemia | 78 |
| Dyslipidemia | 22 |
| Cardiovascular disease status | |
| No indication of atherosclerosis | 94.8 |
| Diagnosed atherosclerosis | 5.2 |
| Sleep apnea status | |
| No diagnosis or indication of sleep apnea | 79.8 |
| Diagnosis of sleep apnea; on CPAP/BiPAP | 19.7 |
| Sleep apnea with complications | 0.5 |
| Asthma status | |
| No diagnosis or indication | 81 |
| Treated with inhalers | 17.5 |
| Treatment with nebulizers or oral steroids; or requiring hospital admission in last year | 1.5 |
| Impaired functional status | |
| Can climb 3 flights of stairs without resting | 30.3 |
| Can climb 1 flight of stairs without resting | 48.2 |
| Can climb half a flight of stairs without resting | 18.6 |
| Requires wheelchair/housebound | 2.9 |
| Venous thromboembolism status | |
| No known risk factors | 80 |
| History or risk factor for DVT/PE | 6 |
| Obesity/hypoventilation syndrome | 13.5 |
| Venous edema with ulceration | 0.4 |
| Vena cava filter | 0.1 |
| Arthritis status | |
| No symptoms | 46.5 |
| Intermittent symptoms; no medication | 22.4 |
| Regular medication with nonopiates | 19.4 |
| Known arthritis/requiring opiates | 8.5 |
| Back/joint operation done/recommended pending weight loss | 2.9 |
| Failed previous back operation/joint replacement | 0.3 |
| Liver disease | |
| No indication of liver disease | 94.5 |
| Suspected NAFLD | 3.6 |
| Known NAFLD | 1 |
| NASH | 0.6 |
| Cirrhosis | 0.3 |
| GERD | |
| No symptoms | 64.7 |
| Intermittent symptoms; no medication | 13.4 |
| Intermittent medication | 6.1 |
| Daily medication: H2 RA/PPI | 15.7 |
| Previous antireflux operation | 0.1 |
| PCOS | |
| No indication/diagnosis; no medication | 90.5 |
| Diagnosis of PCOS; no medication | 5.1 |
| PCOS on medication | 3.8 |
| Infertility | 0.6 |
| Depression | |
| No indication of depression | 73.8 |
| Depression on medication | 26.2 |
T2D = type 2 diabetes; CPAP = continuous positive airway pressure; BiPAP = bilevel positive airway pressure; DVT = deep vein thrombosis; PE = pulmonary embolism; NAFLD = nonalcoholic fatty liver disease; NASH = nonalcoholic steatohepatitis; GERD = gastroesophageal reflux disease; H2 RA = H2 receptor antagonist; PPI = proton pump inhibitor; PCOS = polycystic ovary syndrome.