Table 7. User Satisfaction According to Parity Status and Age.
| Parity | Age category, years | |||
|---|---|---|---|---|
| Nulliparous (n = 802) | Parous (n = 1314) | 18–25 (n = 784) | 26–35 (n = 1332) | |
| User ‘very satisfied’ or ‘somewhat satisfied’ with study treatment, % | ||||
| LNG-IUS 8 | 94.2 | 95.0 | 96.4 | 93.6 |
| LNG-IUS 13 | 95.8 | 95.9 | 96.4 | 95.5 |
| User ‘very satisfied’ or ‘somewhat satisfied’ with their menstrual bleeding pattern,* % | ||||
| LNG-IUS 8 | 72.8 | 79.0 | 74.3 | 78.1 |
| LNG-IUS 13 | 71.4 | 79.0 | 76.0 | 76.1 |
| User preference to use study treatment after the study, % | ||||
| LNG-IUS 8 | 73.3 | 79.3 | 74.5 | 78.5 |
| LNG-IUS 13 | 79.8 | 83.4 | 78.5 | 84.1 |
* For women who did not experience bleeding while on treatment, their satisfaction with their bleeding pattern was recorded as ‘not applicable’.
LNG-IUS 8; levonorgestrel intrauterine system total content 13.5 mg (average approx. 8 μg/24 hours over the first year); LNG-IUS 13, levonorgestrel intrauterine system total content 19.5 mg (average approx. 13 μg/24 hours over the first year).