Table 3.

Stratified analysis of the model detection in the different echocardiography views.

	Number before view selection	Number after moving window selection	Mean Absolute Error (cm)	ICC	R2
Internal validation
PLAX	n = 155	n = 146	0.28	0.910 (0.876–0.935)	0.700
PSAX	n = 155	n = 155	0.46	0.802 (0.728–0.856)	0.469
A4C	n = 155	n = 155	0.32	0.907 (0.871–0.932)	0.754
SC	n = 155	n = 124	0.40	0.865 (0.808–0.905)	0.590
External validation
PLAX	222	n = 127	0.32	0.807 (0.726–0.864)	0.457
PSAX	252	n = 138	0.44	0.714 (0.600–0.796)	0.337
A4C	212	n = 100	0.11	0.897 (0.846–0.931)	0.662