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Comparison of prospective and recalled TTP from 153 participants in the EPSa.
| Prospective TTP (cycles) | ||||||||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Recalled TTP (cycles) | N | PPV | 1 | 2 | 3 – 4 | 5 – 7 | 8 – 12 | ≥13 |
| N | N | N | N | N | N | |||
|
|
||||||||
| 1 | 44 | 73 | 32 | 8 | 3 | 1 | 0 | 0 |
| 2 | 31 | 52 | 8 | 16 | 6 | 1 | 0 | 0 |
| 3 – 4 | 26 | 58 | 2 | 8 | 15 | 1 | 0 | 0 |
| 5 – 7 | 21 | 38 | 1 | 1 | 9 | 8 | 1 | 1 |
| 8 - 12 | 12 | 50 | 1 | 0 | 0 | 5 | 6 | 0 |
| ≥13 | 19 | 68 | 0 | 0 | 0 | 0 | 6 | 13 |
Categories of TTP were chosen to reflect intervals of similar magnitude on a fecundability scale.
PPV = Positive Predictive Value
