Table 1.
Perceived oral dryness of SjD patients at nine intra-oral regions as determined with the RODI. Data are presented as median with corresponding IQR and as a mean with SD. N indicates the total number of respondents for each intra-oral region
| Intra-oral regions | Mean | SD | Median | IQR | N |
|---|---|---|---|---|---|
| Upper lip | 3.2 | 1.1 | 3.0 | 2.0–4.0 | 91 |
| Inside cheeks | 3.1 | 1.1 | 3.0 | 3.0–4.0 | 88 |
| Anterior palate | 3.2 | 1.2 | 3.0 | 3.0–4.0 | 89 |
| Posterior palatea,b,c | 3.8 | 1.0 | 4.0 | 3.0–4.0 | 91 |
| Lower lipd | 3.2 | 1.1 | 3.0 | 2.0–4.0 | 88 |
| Floor of the mouthd | 3.2 | 1.1 | 3.0 | 3.0–4.0 | 89 |
| Anterior tonguea,b,c,d,e,f | 3.5 | 1.2 | 3.5 | 3.0–4.0 | 86 |
| Posterior tonguea,b,c,d,e,f | 3.6 | 1.0 | 4.0 | 3.0–4.0 | 89 |
| Pharynxa,b,c,e,f,g,h | 3.9 | 1.0 | 4.0 | 3.0–5.0 | 88 |
aWilcoxon signed-rank tests: p < 0.05 vs. upper lip. bWilcoxon signed-rank tests: p < 0.05 vs. inside cheeks. cWilcoxon signed-rank tests: p < 0.05 vs. anterior palate. dWilcoxon signed-rank tests: p < 0.05 vs. posterior palate. eWilcoxon signed-rank tests: p < 0.05 vs. lower lip. fWilcoxon signed-rank tests: p < 0.05 vs. floor of the mouth. gWilcoxon signed-rank tests: p < 0.05 vs. anterior tongue. hWilcoxon signed-rank tests: p < 0.05 vs. posterior tongue