. 2018 May 3;18:523. doi: 10.1186/s12885-018-4378-6

Table 5.

Spearman correlation coefficient between items and its corresponding scales of QOL-OC

Items		Scales
Items		PD	ET	SA	SC	DT
31	Pain in the mouth	.694 ^**	.277^**	.182^**	.050	.253^**
32	Pain in the jaw	.525**	.263^**	.245^**	.116	.234^**
33	Pain in the throat	.478**	.200^**	.199^**	.218^**	.201^**
34	Discomfort in the mouth	.729**	.324^**	.150^*	.187^**	.315^**
56	Use of painkillers	.376**	.128	.175^**	.116	.136^*
35	Eating fluid	.001	.372**	.063	.203^**	.116
36	Eating semifluid	.245^**	.506**	.171^*	.299^**	.218^**
37	Eating solid	.322^**	.905**	.274^**	.502^**	.451^**
38	Choked when eating	.271^**	.553**	.346^**	.325^**	.342^**
41	Dry mouth	.164^*	.211^**	.861**	.200^**	.268^**
42	Sticky saliva	.256^**	.341^**	.779**	.274^**	.282^**
45	Difficult chatting	.043	.392^**	.183^**	.809**	.364^**
46	Social contact with families	.113	.384^**	.193^**	.691**	.241^**
47	Social contact with friends	.136^*	.422^**	.229^**	.789**	.329^**
48	Social contact in public	.175^**	.457^**	.183^**	.826**	.367^**
53	Pronunciation	.145^*	.551^**	.258^**	.850**	.457^**
51	Not enjoying eating	.300^**	.453^**	.334^**	.382^**	.854**
52	Diet change	.283^**	.381^**	.257^**	.442^**	.905**

Abbreviations: PD pain and discomfort, ET eating, SA saliva, SC social contact, DT diet

Correlation coefficients between items and its corresponding scales were made in bold

*p < 0.05

**p < 0.01