Table 8.

Responsiveness of simplified Chinese version of quality of life questionnaire (QLQ-C30) for measuring quality of life of patients with colorectal, stomach, and head and neck cancer (n = 170)

Domains (subscales/items)	Pre-treatment		Post-treatment		Differences		SRM	t	P
	Mean	SD	Mean	SD	Mean	SD
Physical functioning	71.23	23.43	83.87	17.07	−12.64	17.32	0.73	−9.77	<0.0001
Role functioning	52.04	29.72	62.59	26.70	−10.56	26.48	0.40	−5.35	<0.0001
Emotional functioning	64.48	21.70	66.68	18.08	−2.20	16.68	0.13	−1.77	0.08
Cognitive functioning	67.23	23.70	68.25	23.08	−1.02	18.54	0.06	−0.74	0.46
Social functioning	56.02	28.45	53.89	27.75	2.13	24.22	0.09	1.18	0.24
Global health status	53.42	24.41	60.44	26.10	−7.02	23.10	0.30	−4.06	<0.0001
Fatigue	45.50	25.44	41.31	21.62	4.19	22.36	0.19	2.51	0.01
Nausea and vomiting	24.58	24.82	18.62	22.71	5.96	24.26	0.25	3.29	0.001
Pain	36.39	26.22	32.69	22.72	3.70	23.54	0.16	2.11	0.04
Dyspnea	24.81	27.32	14.26	22.29	10.56	25.28	0.42	5.60	<0.0001
Insomnia	37.27	29.06	26.97	23.44	10.30	23.50	0.44	5.85	<0.0001
Appetite loss	41.11	29.08	36.85	27.41	4.26	29.70	0.14	1.92	0.06
Constipation	26.26	26.20	21.42	23.05	4.84	24.51	0.20	2.64	0.01
Diarrhoea	21.79	24.03	23.28	25.69	−1.49	25.44	0.06	−0.78	0.43
Financial difficulties	58.29	31.97	62.20	63.83	−3.91	62.04	0.06	−0.84	0.40

SD, standard deviation; SRM, standardized response mean.