A radial basis classifier for the automatic detection of aspiration in children with dysphagia

Lee, Joon; Blain, Stefanie; Casas, Mike; Kenny, Dave; Berall, Glenn; Chau, Tom

doi:10.1186/1743-0003-3-14

Journal of NeuroEngineering and Rehabilitation

Table 2 Performance comparison of all possible feature combinations

From: A radial basis classifier for the automatic detection of aspiration in children with dysphagia

Combination	Accuracy	Sensitivity	Specificity	Adjusted Accuracy
*D	0.711 ± 0.090	0.722 ± 0.133	0.698 ± 0.125	0.710 ± 0.089
E	0.521 ± 0.084	0.489 ± 0.170	0.589 ± 0.174	0.539 ± 0.077
Z	0.584 ± 0.115	0.703 ± 0.242	0.536 ± 0.219	0.620 ± 0.120
N	0.695 ± 0.126	0.780 ± 0.173	0.608 ± 0.165	0.694 ± 0.130
S	0.642 ± 0.099	0.557 ± 0.178	0.720 ± 0.090	0.638 ± 0.095
D-E	0.679 ± 0.101	0.656 ± 0.155	0.692 ± 0.137	0.674 ± 0.101
D-Z	0.579 ± 0.082	0.505 ± 0.195	0.673 ± 0.177	0.589 ± 0.077
*D-N	0.800 ± 0.078	0.794 ± 0.117	0.803 ± 0.128	0.798 ± 0.073
D-S	0.642 ± 0.126	0.612 ± 0.183	0.641 ± 0.219	0.627 ± 0.137
E-Z	0.563 ± 0.117	0.452 ± 0.166	0.687 ± 0.109	0.569 ± 0.118
E-N	0.758 ± 0.093	0.738 ± 0.181	0.764 ± 0.180	0.751 ± 0.090
E-S	0.537 ± 0.138	0.456 ± 0.181	0.628 ± 0.200	0.542 ± 0.141
Z-N	0.595 ± 0.134	0.226 ± 0.133	0.958 ± 0.071	0.591 ± 0.085
Z-S	0.574 ± 0.164	0.482 ± 0.304	0.693 ± 0.187	0.588 ± 0.170
N-S	0.742 ± 0.091	0.706 ± 0.146	0.783 ± 0.117	0.745 ± 0.097
D-E-Z	0.568 ± 0.128	0.481 ± 0.217	0.680 ± 0.180	0.581 ± 0.126
*D-E-N	0.821 ± 0.090	0.747 ± 0.160	0.878 ± 0.122	0.813 ± 0.085
D-E-S	0.495 ± 0.097	0.436 ± 0.194	0.532 ± 0.103	0.484 ± 0.102
D-Z-N	0.584 ± 0.139	0.304 ± 0.241	0.868 ± 0.278	0.586 ± 0.090
D-Z-S	0.605 ± 0.127	0.507 ± 0.299	0.737 ± 0.160	0.622 ± 0.143
D-N-S	0.784 ± 0.104	0.760 ± 0.176	0.809 ± 0.078	0.784 ± 0.110
E-Z-N	0.547 ± 0.109	0.071 ± 0.078	1.000 ± 0.000	0.536 ± 0.039
E-Z-S	0.553 ± 0.136	0.185 ± 0.133	0.911 ± 0.095	0.548 ± 0.083
E-N-S	0.805 ± 0.093	0.658 ± 0.168	0.922 ± 0.090	0.790 ± 0.099
Z-N-S	0.542 ± 0.127	0.072 ± 0.091	1.000 ± 0.000	0.536 ± 0.046
D-E-Z-N	0.547 ± 0.109	0.071 ± 0.078	1.000 ± 0.000	0.536 ± 0.039
D-E-Z-S	0.547 ± 0.132	0.172 ± 0.119	0.911 ± 0.095	0.542 ± 0.077
*D-E-N-S	0.811 ± 0.090	0.670 ± 0.160	0.922 ± 0.090	0.796 ± 0.095
D-Z-N-S	0.542 ± 0.127	0.072 ± 0.091	1.000 ± 0.000	0.536 ± 0.046
E-Z-N-S	0.537 ± 0.116	0.052 ± 0.081	1.000 ± 0.000	0.526 ± 0.041
*D-E-Z-N-S	0.537 ± 0.116	0.052 ± 0.081	1.000 ± 0.000	0.526 ± 0.041

Note: S = stationarity, N = normality, D = dispersion ratio, Z = zero-crossings, E = energy.
* denotes the best feature combination for each dimension of feature set.

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ISSN: 1743-0003

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