Radiation Oncology

Table 2 Clinical characteristics of 232 patients in RT and non-RT groups after propensity score matching

From: Timing of thoracic radiotherapy in the treatment of extensive-stage small-cell lung cancer: important or not?

		Before matching			After matching
		RT^a	non-RT^b	P	RT^c	non-RT^d	P
Gender	Male	146	36	0.843	32	36	0.462
Gender	Female	41	9		13	9	0.462
Age, y	≥65	50	14	0.580	10	14	0.475
Age, y	<65	137	31		35	31	0.475
KPS	≥80	174	41	0.749	42	41	1.000
KPS	<80	13	4		3	4	1.000
Smoking index	≥400	146	35	1.000	34	35	1.000
Smoking index	<400	41	10		11	10	1.000
Family history of neoplasm	Yes	39	8	0.836	14	8	0.220
Family history of neoplasm	No	148	37		31	37	0.220
Weight loss	Yes	25	2	0.121	4	2	0.677
Weight loss	No	162	43		41	43	0.677
PCI	Yes	25	1	0.034	2	1	1.000
PCI	No	162	44		43	44	1.000
Number of metastases ≥2	Yes	21	11	0.029	8	11	0.606
Number of metastases ≥2	No	166	34		37	34	0.606

^a n = 187; ^b n = 45; ^c n = 45; ^d n = 45

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ISSN: 1748-717X

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