Laryngopharyngeal reflux disease in the Greek general population, prevalence and risk factors

Table 3 Mean score and standard deviation of the reflux symptom index items in patients with LPR and in non LPR subjects

Group	RSI1	RSI2	RSI3	RSI4	RSI5	RSI6	RSI7	RSI8	RSI9	Total RSI
LPR
Mean	3,1598	3,6201	2,8217	1,8081	2,1246	3,1041	1,9204	2,8788	3,3224	24,76
SD	1,2624	1,5578	1,1601	1,3196	1,4513	1,3143	1,4723	1,1786	1,5923	8,0032
Non LPR
Mean	0,2218	0,3832	0,4689	0,2125	0,1987	0,0989	0,1375	0,3137	0,2718	2,3207
SD	0,3726	0,4576	0,7238	0,3806	0,9086	0,8076	0,7178	0,4463	0,6534	3,2261
P value LPR vs Non LPR	<0,001	< 0,001	< 0,001	< 0,001	< 0,001	< 0,001	< 0,001	< 0,001	< 0,001	< 0,001

RSI1: Hoarseness or a problem with your voice, RSI2: Clearing your throat, RSI3: Excess throat mucus or postnasal drip, RSI4: Difficulty swallowing food, liquids, or pills, RSI5: Coughing after eating or after lying down, RSI6: Breathing difficulties or choking episodes, RSI7: Troublesome or annoying cough, RSI8: Sensations of something sticking in your throat or a lump in your throat, RSI9: Heartburn, chest pain, indigestion, or stomach acid coming up

ISSN: 1472-6815