Table 2. Summary of echocardiographic findings of interest.

Echocardiogram finding	SB cases	BB cases	SB prevalence (95% CI)	BB prevalence (95% CI)	Relative risk	p-value
Aorta dilation	1 / 20	0 / 34	0.05 (0–0.25)	0 (0–0.12)	0	0.370
Aortic valve thickening	0 / 18	10 / 29	0 (0–0.21)	0.34 (0.2–0.53)	NA	0.008
Mitral valve prolapse	3 / 18	10 / 29	0.17 (0.05–0.4)	0.34 (0.2–0.53)	2.07	0.315
Mitral valve regurgitation	5 / 20	6 / 34	0.25 (0.11–0.47)	0.18 (0.08–0.34)	0.71	0.728
Pulmonary artery dilation	0 / 16	1 / 23	0 (0–0.23)	0.04 (0–0.23)	NA	1.000
Tricuspid valve prolapse	0 / 15	11 / 27	0 (0–0.24)	0.41 (0.24–0.59)	NA	0.003
Tricuspid valve regurgitation	3 / 20	6 / 34	0.15 (0.04–0.37)	0.18 (0.08–0.34)	1.18	1.000
Tricuspid valve thickening	1 / 16	10 / 27	0.06 (0–0.3)	0.37 (0.21–0.56)	5.93	0.033

Prevalence was compared between SB and BB, and p-values ≤ 0.05 are reported in bold.