Table 2.
Comparison of possible risk factors between cases and controls
| First author | Age | BMI | Diabetes | Hypertension | Hormone therapy | Personal or relative history of cancer | Smoking | Alcohol | Menopausal statement |
|---|---|---|---|---|---|---|---|---|---|
| Ashton | NO | NO | YES | YES | YES | YES | NO | YES | N/A |
| Dai | NO | YES | N/A | N/A | NO | Yes | N/A | N/A | YES |
| Setiawan | NO | YES | NO | NO | YES | YES | YES | NO | NO |
| Wu | NO | NO | N/A | N/A | NO | N/A | N/A | N/A | NO |
| Wang | YES | NO | N/A | N/A | N/A | N/A | N/A | NA | NA |
| Tsuchiya | NO | N/A | N/A | N/A | N/A | N/A | N/A | N/A | NO |
| Lamp | YES | YES | N/A | N/A | N/A | N/A | YES | NO | YES |
| Cong | NO | N/A | N/A | N/A | N/A | N/A | NO | N/A | NO |
NO: no difference presented between cases and controls; YES: significant difference presented between cases and controls.