Oral soft tissue disorders are associated with gastroesophageal reflux disease: retrospective study

BMC Gastroenterology

Table 2 Oral examination comparisons between the GERD patient group and the two control groups

Variable	GERD Patients	Older Controls	*P value	Younger Controls	*P value
Variable	n = 105	n = 25	*P value	n = 25	*P value
Salivary flow volume; Saxon test (g/2 min.)	1.7 ± 1.5	3.0 ± 1.3	< 0.001*	4.2 ± 1.4	< 0.001*
Swallowing function; RSST
Swallowing frequency (times/30 s)	4.0 ± 2.1	5.7 ± 2.1	< 0.001*	8.1 ± 2.4	< 0.001*
Time to first swallow (s)	4.9 ± 4.8	2.5 ± 0.9	0.038*	1.6 ± 1.2	< 0.001*
Tooth
D	1.14 ± 1.75	0.24 ± 0.72	0.003*	0.52 ± 1.26	0.075
M	8.59 ± 8.92	13.84 ± 8.91	0.007*	0	< 0.001*
F	10.2 ± 5.7	8.6 ± 5.8	0.139	3.8 ± 3.4	< 0.001*
DMF	19.9 ± 6.6	22.7 ± 5.8	0.044*	4.3 ± 3.7	< 0.001*
DMF indices (%)	70.2 ± 23.7	80.8 ± 21.1	0.033*	14.9 ± 13.1	< 0.001*
Soft tissues; gingivitis
PMA gingival indexes	1.58 ± 1.98	0.36 ± 0.49	< 0.001*	0.04 ± 0.20	< 0.001*
OHI-S	1.41 ± 1.45	0.56 ± 0.77	< 0.001*	0.08 ± 0.28	0.007*

GERD Gastroesophageal reflux disease, RSST Repetitive saliva swallowing test, D Decayed, M Missing, F Filled, DMF indices Decayed, missing, and filled indices, PMA gingival indexes Papillary, marginal, and attached gingival indexes, OHI-S Simplified oral hygiene indices
*P values of Wilcoxon rank-sum test were determined as significant by P < 0.05

ISSN: 1471-230X