Table 3.

Data analysis: results of Cox regression estimation

Variable			CC
			HRa		95% CIb			pc
Age			1.015		(1.012, 1.017)			<0.01
Black			1.437		(1.286, 1.695)			<0.01
Others			0.887		(0.781, 1.007)			0.06
No Radiation			1.056		(0.978, 1.140)			0.16
No Surgery			1.893		(1.755, 2.042)			<0.01
Her2			0.940		(0.867, 1.020)			0.14
	PMM				AIPW			NNMI(5, 0.8, 0.2)
Variable	HR	95% CI		p	HR	95% CI	p	HR	95% CI	p
Age	1.018	(1.015, 1.020)		<0.01	1.015	(1.012, 1.017)	<0.01	1.018	(1.015, 1.020)	<0.01
Black	1.443	(1.308, 1.591)		<0.01	1.436	(1.276, 1.615)	<0.01	1.442	(1.307, 1.591)	<0.01
Others	0.879	(0.786, 0.984)		0.03	0.886	(0.776, 1.011)	0.07	0.879	(0.785, 0.983)	0.02
No Radiation	1.044	(0.976, 1.118)		0.21	1.056	(0.981, 1.137)	0.15	1.044	(0.976, 1.118)	0.21
No Surgery	1.885	(1.762, 2.016)		<0.01	1.894	(1.756, 2.042)	<0.01	1.896	(1.773, 2.028)	<0.01
Her2	0.932	(0.860, 1.010)		0.09	0.958	(0.874, 1.049)	0.35	0.939	(0.864, 1.021)	0.14

^aHazard ratio.

^b95% Confidence interval.

^cp-Value.