Weighted Polynomial Approximation for Automated Detection of Inspiratory Flow Limitation

Table 4

Performance results of the test set (). Accuracy, sensitivity = true positive rate (TP), and specificity = true negative rate (TN) are considered.

Methods	Measure	NIFL	IFL Level 1	IFL Level 2	Total
FI	% correct	96.70%	50.41%	65.59%	78.68%
	Correct #	616	183	61	860
	TP/TN	0.77/0.93	0.75/0.79	0.97/0.97	—
1st-order	% correct	98.90%	29.75%	43.01%	71.18%
	Correct #	630	108	40	778
	TP/TN	0.70/0.97	0.68/0.73	0.93/0.95	—
2nd-order	% correct	88.85%	27.82%	69.89%	66.97%
	Correct #	566	101	65	732
	TP/TN	0.70/0.75	0.69/0.72	0.73/0.97	—
3rd-order	% correct	91.52%	85.40%	93.55%	89.66%
	Correct #	583	310	87	980
	TP/TN	0.98/0.89	0.84/0.93	0.66/0.99	—
w.3rd-order	% correct	93.56%	93.56%	96.77%	94.14%
	Correct #	596	343	90	1029
	TP/TN	0.98/0.91	0.89/0.97	0.94/0.99	—