Table 7.
Comparison of complications between survey answers and verified diagnoses for singleton birth after frozen-thawed embryo transfer.
| Complication during index pregnancy | Prevalence survey answer, n (%) | Prevalence verified diagnosis, n (%) | Difference in prevalence | Agreement (Cohen's Kappa) |
|---|---|---|---|---|
| Hypertension | 15 (8.2) | 13 (7.1) | 1.1 | 0.38 |
| Preeclampsia | 7 (3.8) | 8 (4.4) | −0.6 | 0.93 |
| HELLP-syndrome | 5 (2.7) | 4 (2.2) | 0.5 | 0.87 |
| Gestational diabetes | 19 (10.4) | 22 (12.1) | −1.7 | 0.92 |
| Preterm birth | 24 (13.2) | 22 (12.1) | 1.1 | 0.87 |
| Non-occurrence | 123 (67.6) | 127 (69.8) | −1.6 | 0.80 |