Translation and validation of the Chinese version of the quality of life radiation therapy instrument and the head & neck module (QOL-RTI/H&N)

Table 2 Mean, SD, missing data, floor and ceiling scores of each item ( n = 238)

Item	Mean	SD	Missing(%)	Floor(%)	Ceiling(%)	Item	Mean	SD	Missing(%)	Floor(%)	Ceiling(%)
RTI1	6.55	3.04	0.0	3.4	19.3	RTI21	7.23	2.39	0.0	0.4	26.1
RTI2	6.68	2.94	0.0	0.4	21.4	RTI22	6.97	2.94	0.0	0.4	25.2
RTI3	5.97	3.20	0.0	1.7	16.4	RTI23	5.84	2.75	16.0	3.4	11.8
RTI4	7.67	3.15	0.0	5.5	39.1	RTI24	6.79	2.74	0.0	1.3	16.4
RTI5	5.28	3.08	0.0	5.5	12.2	RTI25	6.53	1.93	0.8	1.3	5.9
RTI6	6.44	3.32	0.0	7.6	20.6	RTI26	7.41	3.15	0.0	4.2	34.0
RTI7	3.99	3.35	0.0	18.1	7.1	RTI27	6.95	3.36	0.0	6.7	33.2
RTI8	5.31	2.75	0.0	6.3	7.1	RTI28	3.79	3.50	0.0	10.1	13.4
RTI9	5.81	3.44	0.4	6.3	21.8	RTI29	3.55	3.31	0.4	15.5	9.7
RTI10	7.78	2.22	0.0	0.4	30.7	RTI30	4.44	3.55	0.4	8.8	18.1
RTI11	7.99	2.33	0.0	1.3	31.9	RTI31	6.00	3.53	0.0	5.5	22.7
RTI12	8.16	2.30	0.4	1.3	37.8	RTI32	6.71	3.16	0.0	5.5	23.5
RTI13	5.13	3.36	0.0	9.7	15.5	RTI33	7.78	2.83	0.0	3.4	33.6
RTI14	5.59	3.61	0.8	12.6	22.7	RTI34	7.65	2.75	0.0	2.5	36.1
RTI15	7.01	2.37	0.0	0.8	22.3	RTI35	5.59	3.16	0.0	7.1	14.3
RTI16	8.71	1.87	0.4	1.3	50.4	RTI36	7.47	2.48	0.0	2.5	26.1
RTI17	9.41	1.34	0.0	0.8	72.7	RTI37	6.82	3.24	0.0	5.9	28.2
RTI18	2.44	3.20	0.0	47.1	7.1	RTI38	5.68	3.21	0.0	5.9	18.1
RTI19	7.35	3.20	0.0	2.9	37.8	RTI39	8.95	2.32	0.0	2.1	67.2
RTI20	7.14	2.05	0.0	0.8	14.3

Mean score: 0 (worst QOL) to 10 (best QOL). RTI1: the first item of the QOL-RTI/H&N scale, etc. SD: standard deviation.

ISSN: 1477-7525