Table 4.

Comparisons of OSA, dyspnea, and HRQOL scores according to respondents’ clinical characteristics

Variable	Category	OSA			Dyspnea			HRQOL
		Mean±SD	t or F	p (Scheffe)	Mean±SD	t or F	p (Scheffe)	Mean±SD	t or F	p (Scheffe)
Weight loss (kg)	<4	2.96±2.29	–5.81	<0.01	7.29±6.53	–3.26	<0.01	55.75±23.17	5.56	<0.01
	≥4	5.29±2.12			11.50±7.99			33.86±19.69
Perceived health status	Gooda)	2.39±2.14	10.77	<0.01 (a,b<c)	3.69±4.02	31.08	<0.01 (c>a)	69.20±20.32	37.30	<0.01 (a>b,c)
	Normalb)	4.68±2.16			8.78±5.74			41.83±19.34
	Poorc)	5.09±2.67			16.9±8.74			24.39±16.45
Type of lung cancer	Small cellcarcinomaa)	5.25±2.01	3.93	0.01 (a>b, b>c)	11.67±8.25	2.93	0.03 (a,c>b)	36.35±21.16	3.06	0.03 (a<b, b>c)
	Adenocarcinomab)	3.77±2.49			8.31±7.09			47.26±24.22
	Squamous cell carcinomac)	5.25±2.38			13.50±8.56			31.38±22.68
	Othersd)	5.20±2.77			10.20±5.76			43.33±14.53
Cancer stage	1a)	4.74±2.37	2.68	0.03 (a,b<d)	7.48±4.18	2.02	0.09	47.43±21.43	2.24	0.06
	2b)	4.93±2.12			10.35±4.97			32.39±16.93
	3c)	4.68±2.98			12.84±10.78			14.33±32.32
	4d)	3.32±2.35			10.82±10.24			45.52±24.60
	Relapsee)	2.50±0.70			7.00±9.89			54.16±0.00
Time since diagnosis (y)	<1a)	4.57±2.22	3.25	0.04 (a<c)	10.16±7.24	0.96	0.38	39.38±20.41	2.20	0.11
	1–2b)	4.68±2.97			10.42±8.57			43.75±27.57
	>2c)	3.14±2.03			7.71±7.78			51.38±25.70
Type of treatment	Surgerya)	4.43±2.32	0.45	0.63	7.13±6.13	3.34	0.03 (a<b)	47.01±28.72	1.00	0.36
	Chemotherapyb)	4.23±2.52			11.02±8.55			41.14±21.55
	Radiotherapyc)	4.87±2.55			10.43±5.03			38.67±19.71
Total		4.33±2.48			9.83±7.70			42.52±23.63

OSA, obstructive sleep apnea; HRQOL, health-related quality of life.