Prognostic Value of Functional Assessment of Cancer Therapy-General (FACT-G) in Advanced Non-Small-Cell Lung Cancer Treated with Korean Medicine

Table 2

Distribution, reliability, and correlation coefficients of FACT-G scores.

	FACT-G	PWB	SFWB	EWB	FWB
Mean ± SD	65.0 ± 17.7	18.2 ± 6.4	18.0 ± 6.1	14.5 ± 5.5	14.4 ± 6.9
Median	64	19	18.7	15	14
Possible range	0–108	0–28	0–28	0–24	0–28
Observed range	19.4–107	3–28	0–28	0–24	0–28
Floor effects (%)	0	0	1 (1%)	2 (1%)	1 (1%)
Ceiling effects (%)	0	5 (3%)	8 (5%)	4 (2%)	3 (2%)
Cronbach’s alpha	0.917	0.850	0.828	0.809	0.860
Correlation coefficients
FACT-G		0.668	0.583	0.709	0.861
PWB			−0.013	0.398	0.474
SFWB				0.214	0.454
EWB					0.466

. Abbreviations: EWB, emotional well-being; FACT-G, Functional Assessment Cancer Therapy-General; FWB, functional well-being; PWB, physical well-being; SD, standard deviation; SFWB, social/family well-being.