Table 1.
Demographic data and preoperative findings
| Minimum | Maximum | Mean | SD | n | |
|---|---|---|---|---|---|
| Age (years) | 19.0 | 49.7 | 32.9 | 5.2 | 468 |
| TOP gestational age (weeks) | 5.4 | 19.0 | 9.5 | 4.19 | 136 |
| Delivery gestational age (weeks) | 22.6 | 41.3 | 39.7 | 3.5 | 246 |
| Time from TOP to procedure (weeks) | 5.0 | 27.9 | 9.7 | 4.1 | 173 |
| Time from delivery to procedure (weeks) | 5.0 | 50.4 | 9.4 | 10.5 | 243 |
| Parity (n) | 0 | 5 | 1.3 | 0.9 | 467 |
| RPOC thickness on US (mm) | 3 | 30 | 10.8 | 5.0 | 267 |
| RPOC length on US (mm) | 5 | 95 | 18.4 | 10.1 | 166 |
SD standard deviation, TOP termination of pregnancy, n number, RPOC retained product of conception, US ultrasound