Table 3.

Clinical characteristics of 187 patients in the ERT and LRT groups after propensity score matching

		Before matching			After matching
		ERTa	LRTb	P	ERTc	LRTd	P
Gender	Male	51	95	0.541	44	44	1.000
	Female	14	27		12	12
Age, y	≥65	20	30	0.389	19	18	1.000
	<65	45	92		37	38
KPS	≥80	62	112	0.548	53	54	1.000
	<80	3	10		3	2
Smoking index	≥400	51	95	1.000	45	43	0.818
	<400	14	27		11	13
Family history of neoplasm	Yes	8	31	0.039	8	9	1.000
	No	57	91		48	47
Weight loss	Yes	6	19	0.265	6	6	1.000
	No	59	103		50	50
PCI	Yes	15	10	0.006	7	8	1.000
	No	50	112		49	48
Number of metastases ≥2	Yes	11	20	1.000	9	12	0.629
	NO	54	102		47	44

^a n = 65; ^b n = 122; ^c n = 56; ^d n = 56