Table 1 Prevalence of co-morbidities in the case and control groups
Co-morbidity | Case group | Control group |
|---|---|---|
Diabetes | 4 (5) | 3 (4) |
Osteoarthritis | 4 (5) | 6 (8) |
High blood pressure | 15 (19) | 15 (19) |
Heart disease | 6 (8) | 6 (8) |
Lung disease | 7 (9) | 7 (9) |
Hormone replacement therapy | 4 (5) | 7 (9) |
High cholesterol | 11 (14) | 8 (10) |
Thyroid disease | 6 (8) | 3 (4) |