Table 3.
Comparing counsellors’ knowledge (≥75% correct answers) on different subcategories at T0, for counsellors with and without ultrasonography (USG) experience
| Questionnaire subcategories (number of questions) | Total number of participants (N=377) n (%) | Participants with USG experience(N=104) n (%) | Participants without USG experience(N=273) n (%) | pa |
|---|---|---|---|---|
| FAS (n=12) | 161 (43) | 48 (46) | 113 (41) | 0.40 |
| CT (n=12) | 306 (81) | 98 (94) | 208 (76) | <0.001 |
| NIPT (n=11) | 299 (79) | 90 (87) | 209 (77) | 0.03 |
| Aneuploidies | 244 (65) | 83 (80) | 161 (59) | <0.001 |
| Trisomy 21 (n=12) | 203 (54) | 72 (69) | 131 (48) | <0.001 |
| Trisomy 13 (n=2) | 304 (81) | 89 (86) | 215 (79) | 0.13 |
| Trisomy 18 (n=3) | 295 (78) | 86 (83) | 209 (77) | 0.20 |
| Structural anomalies | 250 (66) | 76 (73) | 174 (64) | 0.09 |
| Spina bifida (n=2) | 292 (78) | 88 (85) | 204 (75) | 0.04 |
| Congenital heart disease (n=4) | 103 (27) | 27 (26) | 76 (28) | 0.72 |
a
Difference between practitioners with and without ultrasonography experience with significance at p<0.01.
FAS: foetal anomaly scan. CT: combined test. NIPT: noninvasive prenatal test. USG: ultrasonography.