. 2021 Dec 3;21:615. doi: 10.1186/s12903-021-01966-6

Table 4.

Response to questionnaires before and after HRT in the case group

		Before HRT		After HRT		Chi-square value	p Value
		N	%	N	%	Chi-square value	p Value
Question 1: Feel dry mouth during meals	No	4	13.3	18	60.0	14.067	< 0.001*
Question 1: Feel dry mouth during meals	Yes	26	86.7	12	40.0	14.067	< 0.001*
Question 2: Have difficulty in swallowing food	No	15	50.0	24	80.0	5.934	0.015*
Question 2: Have difficulty in swallowing food	Yes	15	50.0	6	20.0	5.934	0.015*
Question 3: Perceive small amount of saliva in your mouth most of the time	No	5	16.7	22	73.3	19.461	< 0.001*
	Yes	25	83.3	8	26.7	19.461	< 0.001*
Question 4:Feel dry mouth at night or upon waking	No	2	6.7	17	56.7	17.330	< 0.001*
Question 4:Feel dry mouth at night or upon waking	Yes	28	93.3	13	43.3	17.330	< 0.001*
Question 5:Feel dry mouth during the day	No	5	16.7	15	50.0	7.500	0.006*
Question 5:Feel dry mouth during the day	Yes	25	83.3	15	50.0	7.500	0.006*
Question 6:Chew gum or mints to relieve the sensation of dry mouth	No	23	76.7	26	86.7	1.002	0.318
	Yes	7	23.3	4	13.3	1.002	0.318
Question 7:Frequently wake up thirsty at night	No	24	80.0	27	90.0	1.176	0.278
Question 7:Frequently wake up thirsty at night	Yes	6	20.0	3	10.0	1.176	0.278
Question 8: Have a burning sensation on your tongue	No	28	93.3	28	93.3	< 0.001*	1.000
Question 8: Have a burning sensation on your tongue	Yes	2	6.7	2	6.7	< 0.001*	1.000

Chi-square test, *Significant difference