Table 6. Comparisons of accuracy and c-index of models’ performance using LAD, LAEF, LAV_max, LAV_min, or LVEF at different follow-up times in the risk assessment of ablation outcome after ablation.

		Accuracy_t			Accuracy_1			Accuracy_2			Accuracy_3			c
Variable	Time	Mean	SE		Mean	SE		Mean	SE		Mean	SE		Mean	SE
Accuracy_t, Accuracy_1, Accuracy_2, and Accuracy_3: accuracy for all , Groups 1, 2, and 3, respectively; c: concordance index; LAD: left atrial dimension; LAEF: left atrial emptying fraction; LAVmax: maximal left atrial volume; LAVmin: minimal left atrial volume; LVEF: left ventricular ejection fraction; SE: standard error.
LAD	Baseline	59.15	3.33		68.33	5.32		46.60	6.53		62.53	3.95		0.79	0.02
	1 month	60.41	3.13		70.83	5.63		46.83	5.99		63.45	3.18		0.82	0.02
	3 months	59.39	3.17		69.21	5.74		49.77	6.00		59.99	4.11		0.81	0.02
	6 months	59.77	3.88		69.30	5.47		47.51	7.80		62.91	3.93		0.81	0.02
	12 months	62.01	3.50		71.84	5.03		49.59	6.49		64.77	3.98		0.82	0.02
	18 months	67.97	0.00		72.09	0.00		58.14	0.00		73.81	0.00		0.81	0.00
	24 months	62.31	3.52		70.61	5.47		49.55	6.53		66.53	3.36		0.83	0.02
	30 months	59.99	4.56		58.65	11.35		53.63	8.94		66.43	6.41		0.80	0.03
	36 months	64.07	3.16		72.23	5.14		49.26	6.09		70.49	3.06		0.84	0.02
	Predicted	62.22	3.31		71.91	5.14		48.12	6.41		66.64	3.54		0.83	0.02
LAEF	Baseline	59.24	3.17		70.02	5.47		47.36	5.69		60.33	4.76		0.80	0.02
	1 month	63.82	3.31		72.88	5.41		52.93	6.45		65.72	4.28		0.83	0.02
	3 months	61.97	3.42		71.21	5.86		48.77	6.22		66.69	3.93		0.84	0.02
	6 months	63.03	3.21		70.88	5.55		51.88	5.91		66.74	3.72		0.83	0.02
	12 months	65.77	2.99		74.67	5.01		55.84	5.86		66.85	3.16		0.84	0.02
	18 months	62.27	3.44		73.59	5.39		51.65	6.79		61.55	3.74		0.82	0.02
	24 months	67.52	3.06		75.27	4.69		55.15	5.48		71.97	3.27		0.87	0.02
	30 months	73.77	4.17		69.88	8.32		68.90	6.91		81.08	4.38		0.91	0.02
	36 months	75.10	2.98		77.92	4.68		64.84	5.29		82.45	3.26		0.91	0.02
	Predicted	68.87	3.09		76.27	4.65		57.32	5.59		73.02	2.96		0.88	0.02
LAVmax	Baseline	58.96	3.76		67.36	5.19		45.59	6.81		63.93	4.49		0.80	0.02
	1 month	60.21	3.71		68.01	5.36		49.47	7.15		63.19	3.83		0.81	0.02
	3 months	59.45	3.36		65.94	6.05		48.36	6.38		64.61	3.44		0.81	0.02
	6 months	59.36	3.77		67.49	5.58		47.30	7.06		63.76	4.84		0.81	0.02
	12 months	61.73	3.55		69.97	5.25		48.96	6.42		66.34	4.58		0.82	0.02
	18 months	61.19	3.47		69.48	5.77		53.38	6.78		60.65	3.68		0.82	0.02
	24 months	62.39	3.28		70.48	5.06		50.69	5.86		65.82	3.51		0.83	0.02
	30 months	61.39	4.45		61.56	10.33		56.79	8.74		65.21	6.26		0.81	0.03
	36 months	67.95	3.03		72.56	4.91		56.56	5.76		74.60	3.20		0.86	0.02
	Predicted	62.44	3.27		70.08	4.97		50.80	5.79		66.46	3.51		0.83	0.02
LAVmin	Baseline	60.17	3.56		68.73	5.14		49.23	6.76		62.53	4.00		0.81	0.02
	1 month	63.11	3.40		70.72	5.01		54.02	6.76		64.64	3.94		0.83	0.02
	3 months	61.83	3.30		68.44	5.66		50.85	6.59		66.78	3.71		0.84	0.02
	6 months	62.26	3.43		69.52	5.29		50.72	6.71		67.00	3.93		0.83	0.02
	12 months	65.16	3.12		72.45	5.19		54.18	5.77		68.90	3.43		0.84	0.02
	18 months	62.98	3.49		72.13	5.52		56.65	6.94		59.93	3.67		0.84	0.02
	24 months	67.40	3.10		72.49	5.17		57.56	5.90		72.02	2.81		0.86	0.02
	30 months	69.13	4.14		67.81	9.36		65.83	6.94		72.90	5.11		0.86	0.02
	36 months	72.99	2.88		76.38	4.60		63.32	5.47		79.17	2.66		0.89	0.02
	Predicted	67.17	2.79		73.18	4.87		58.31	5.30		70.01	2.54		0.86	0.02
LVEF	Baseline	55.96	3.13		63.73	5.48		43.31	6.26		60.85	4.60		0.77	0.02
	1 month	59.76	3.19		65.01	6.44		51.87	6.44		62.66	3.77		0.80	0.02
	3 months	54.93	3.30		61.71	6.81		47.40	6.90		56.19	4.77		0.76	0.02
	6 months	57.62	3.33		65.20	6.38		49.64	7.25		58.07	4.87		0.78	0.02
	12 months	54.21	0.00		57.14	0.00		48.65	0.00		57.14	0.00		0.74	0.00
	18 months	54.21	0.00		57.14	0.00		48.65	0.00		57.14	0.00		0.74	0.00
	24 months	54.21	0.00		57.14	0.00		48.65	0.00		57.14	0.00		0.74	0.00
	30 months	62.94	4.36		61.47	9.86		56.15	9.15		70.15	5.24		0.83	0.03
	36 months	58.15	3.68		66.86	5.82		48.70	6.88		58.51	5.30		0.79	0.02