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| Co-morbidity | Mean ± SD % |
|---|---|
| Type 2 diabetes mellitus | 50.7±23.4 |
| Hypertension | 47.3±21.0 |
| Dyslipidemia | 43.8±22.7 |
| Obstructive sleep apnea | 52.8±22.3 |
| Osteoarthritis | 39.2±22.4 |
SD, standard deviation.
