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Amount of menstrual bleeding before and after drug administration and the resulting changes in menstrual bleeding patterns
| Variable | Mean (SD) in HD group | Mean (SD) in LNG group | Mean (SD) total |
P value (chi-square) |
|---|---|---|---|---|
| Spotting before drug administration | 38.8 (21.9) | 40.3 (21.8) | 39.5 (21.8) | 0.428 |
| Spotting after drug administration | 35.2 (22.8) | 38.7 (25.5) | 36.9 (24.2) | 0.093 |
| Change of spotting pattern | −3.6 (22.1) | −1.5 (25.5) | −2.6 (23.8) | 0.326 |
