Compared to a background risk of 1.1% in a population of 10,614 cases14 with normal ultrasound‡‡ OR (95% CI) P-value Compared to a background risk of 1.4% in a population of 5541 cases with normal ultrasound13 OR (95% CI) P-value
Clinically significant CMA Results - No (%)
No. of cases
Parameter
5.8 (95% CI 2-16.2) P=0.00015 4.5 (95% CI 1.6-12.7) P=0.0017
4 (6)
66
All SLB cases
7.8 (95% CI 1.8-33.5) P=0.001 6.1 (95% CI 1.4-26) P=0.0057
2 (8)
25
Isolated SLB
12.8 (95% CI 2.9-57) P<0.0001 10 (95% CI 2.2-44) P=0.0002
2 (12.5)
16
Non-Isolated SLB
3.9 (95% CI 0.5-29) P=0.15 3 (95% CI 1.6-12.7) P=0.25
1 (4.17)
24
Diagnosis >24 weeks gestation
5.98 (95% CI 1.4-25.3) P=0.006 4.6 (95% CI 1.09-19.8) P=0.02
2 (6.25)
32
Diagnosis >22 weeks gestation
15.6 (95% CI 5.3-45.8) P<0.0001 12 (95% CI 4.1-36) P<0.0001
4 (14.8)
27
Lowest percentile >1%
29.9 (95% CI 8-111) P<0.0001 23 (95% CI 6.2-87) P<0.0001
3 (25)
12
Lowest percentile >3%