Table 5.
The number of pregnancies in the 5 mg and 10 mg groups according to the number of days after unprotected sexual intercourse that mifepristone administration occurred
| Mifepristone administration | 5 mg; n=1,206
|
10 mg; n=1,212
|
||||
|---|---|---|---|---|---|---|
| Subjects | Pregnancies | 95% CI | Subjects | Pregnancies | 95% CI | |
| Days 1–3 | 755 | 5 (0.7%) | 0–1.5 | 789 | 4 (0.5%) | 0.1–1.3 |
| Days 4–6 | 451 | 10 (2.2%) | 1.1–4 | 423 | 5 (1.2%) | 0.4–2.7 |
| Total | 1,206 | 15 (1.2%) | 0.7–2 | 1,212 | 9 (0.7%) | 0.3–1.4 |
| P-value* | 0.009 | 0.096 | ||||
Notes: Data are presented as n (%).
*
Comparison within each mifepristone group between days 1–3 and days 4–6.
Abbreviation: CI, confidence interval.