Sub-clinical rheumatic heart disease (RHD) detected by hand-held echocardiogram in children participating in a school-based RHD prevention program in Tanzania

Table 3 Findings of hand-held echocardiogram screening

Finding	Frequency*	Prevalence (95% CI)
Valvular regurgitation**	367/4433	8.3 (7.5–9.1)
Valvular and/or chordal thickening	56/4434	1.3 (1.0–1.6)
Valvular deformity	45/4433	1.0 (0.7–1.4)
Sub-clinical RHD	95/4436	2.1 (1.7–2.6)

* The denominator is not uniform as there were some few missing reports of the variables
** Any regurgitation, i.e. trace and mild regurgitation included

ISSN: 1471-2261