Table 5.

Studies of abbreviation of the WHF 2012 criteria and their accuracy when performed by an expert.

Diagnostic Feature(s)	Diamantino et al. [29]	Beaton et al. [21]	Lu et al. [28]	Remenyi et al. [30]	Zuhlke et al. [24]
Modified protocol	PLAX with colour Doppler.	11 image protocol (same as STAND)	11 image protocol, excluded CW	PLAX with sweep of the heart and color Doppler	PLAX with color Doppler
Modified criteria	Valve regurgitation only	CW replaced with regurgitation jet seen in ≥2 consecutive frames	Assessed multiple parameters that maximised sensitivity and specificity	Valve regurgitation or morphological features
Definition of screen positive	MR ≥1.5 cm, any AR	N/A	MR ≥1.5 cm or any AR found to have the best compromise	Any MR or AR seen in 2 consecutive frames, ≥2 morph features of MV	MR ≥2 cm
Diagnosis of RHD	As per WHF	As per WHF	As per WHF	As per WHF	As per WHF
Sensitivity c/f ref WHF criteria by standard echocardiography for any RHD	81.10%	78.9%%	73.30%	100%	80.80%
Specificity c/f ref WHF criteria by standard echocardiography for any RHD	75.50%	87.2%%	82.40%	95%	100%
PPV & NPV for any RHD	63.2%; 88.5%			44%; 100%	100%, 92.5%