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Duration of tamoxifen use and endometrial thickness (n-104)
| Duration of use | < 8 mm thickness | > 8 mm thickness |
|---|---|---|
| 6 months – 1 year | 16 | 6 |
| 1 year – 2 years | 14 | 20 |
| 2 years – 3 years | 10 | 21 |
| > 3 years | 5 | 9 |
[P value by chi – square test < 0.01. There is a significant linear trend between number of patients with > 8 mm endometrial thickness and duration of tamoxifen use]
