. 2018 Aug 30;6(8):e10916. doi: 10.2196/10916

Table 4.

P values for the influence of tumor stage, age, gender, initial Karnofsky performance scale index (KPI), treatment setting (curative vs palliative), and previous radiotherapy on the answers provided to the survey items and area of interest (AOI) scores.

AOI			Tumor stage		Age 55 years		Gender		KPI		Treatment setting		Previous radiotherapy
AOI 1			.45		.005^a,b		.78		.51		.006^a,c		.26
	Q3	.63		.19		.57		.56		.16		.09
	Q7	.74		.01^a,b		.64		.81		.002^a,c		.48
	Q8	.047^a,d		.004^a,b		.12		.83		>.99		.73
AOI 2			.66		.001^a,b		.72		.24		.495		.93
	Q4	.73		.003^a,b		.64		.35		.25		.88
	Q6	.70		.004^a,b		.92		.28		.88		.74
AOI 3			.08		.26		.67		.01^a,e		.32		.89
	Q9	.45		.58		.17		.58		.12		.35
	Q14	.09		.12		.26		.06		.003^a,f		.22
	Q20	.20		.75		.39		.04^a,e		.94		.77
	Q21	.29		.16		.67		.15		.91		.84
	Q22	.67		.88		>.99		.64		.76		.83
	Q27	.18		.67		.13		.006^a,e		.63		.99
AOI 4			.09		.86		.203		.12		.92		.90
	Q11	.19		.74		.146		.20		.95		.99
	Q12	.07		.68		.542		.18		.72		.99
AOI 5			.07		.003^a,b		.058		.54		.55		.29
	Q23	.94		.06		.106		.30		.77		.19
	Q24	.07		.002^a,b		.484		.87		.41		.30
	Q25	.26		.12		.641		.84		.75		.98
AOI 6			.96		.05		.041^a,g		.67		.99		.84
	Q15	.71		.009^a,h		.091		.78		.82		.58
	Q16	.50		.53		.186		.17		.87		.87
	Q17	.78		.20		.116		.49		.63		.36

^aSignificant P values.

^bHigher score for age <55 years.

^cHigher score for curative treatment setting.

^dHigher score for advanced tumor stage.

^eHigher score for KPI <80%.

^fHigher score for palliative treatment setting.

^gHigher score for gender (male).

^hHigher score for age ≥55 years.