Table 3.

The performance results of each phase in subtask identification system with window sizes of 96, 128, and 160 samples.

		Phase
		Preoperative			Postoperative			Postoperative 2-Week			Postoperative 6-Week			Overall
Window Size	Technique	Acc. (%)	Sen. (%)	Pre. (%)	Acc. (%)	Sen. (%)	Pre. (%)	Acc. (%)	Sen. (%)	Pre. (%)	Acc. (%)	Sen. (%)	Pre. (%)	Acc. (%)
96	SVM	94.04	91.79	92.41	85.33	85.93	85.99	89.70	87.25	87.60	90.66	87.72	89.17	89.93
	kNN	91.47	87.25	90.89	80.12	79.46	82.26	87.93	83.74	87.46	89.26	86.62	88.09	87.20
	NB	92.48	90.26	90.45	77.62	79.73	77.96	86.86	84.10	84.45	88.23	86.17	85.39	86.30
	DT	92.78	90.37	90.91	72.00	78.33	79.45	92.01	88.19	89.73	89.30	87.07	87.07	86.52
	AdaBoost	94.29	90.62	93.03	91.78	86.28	88.57	87.43	84.20	84.74	89.82	87.12	87.56	90.83
128	SVM	91.47	86.98	90.98	89.98	88.24	88.19	88.46	83.52	87.80	88.57	85.69	87.05	89.62
	kNN	91.47	86.98	90.98	73.42	76.16	78.14	88.46	83.52	87.80	87.85	83.72	86.25	85.30
	NB	91.59	89.43	89.48	88.28	83.89	82.78	89.80	85.87	87.44	88.67	86.23	86.02	89.59
	DT	92.10	89.24	90.07	74.69	80.09	80.38	91.00	87.12	88.19	89.55	86.33	87.29	86.84
	AdaBoost	93.75	91.00	92.29	93.32	87.82	91.34	91.04	86.15	88.67	90.44	87.50	88.67	92.14
160	SVM	92.71	89.29	91.10	89.93	87.83	87.36	90.61	86.45	88.76	89.70	85.88	88.32	90.74
	kNN	88.73	82.29	89.54	66.98	69.91	74.88	82.28	75.91	83.01	87.47	84.41	86.62	81.37
	NB	90.89	88.23	88.73	89.33	83.91	83.23	90.37	85.82	88.4	89.08	86.27	87.03	89.92
	DT	92.21	88.82	90.41	73.56	78.92	78.76	90.13	85.80	87.68	89.16	85.57	86.94	86.27
	AdaBoost	92.56	89.18	90.90	92.89	87.26	90.07	91.15	86.20	88.95	89.73	86.20	88.22	91.58