Table 7 Mean differences (with 95% confidence interval) and intraclass correlation coefficients for the test–retest reliability of electronic modality, ePROM (N = 20)

Xerostomia

The XI

0.18 (-1.95; 2.31)

0.99

0.91 (0.79; 0.96)

VAS

-0.41 (-1.20; 0.38)

0.38

0.83 (0.59; 0.93)

Upper lip (RODI)

0.18 (-0.34; 0.71)

0.69

0.72 (0.32; 0.88)

Anterior palate (RODI)

0.09 (-0.36; 0.54)

0.92

0.75 (0.38; 0.89)

Inside cheeks (RODI)

0.18 (-0.32; 0.69)

0.54

0.57 (-0.03; 0.82)

Posterior palate (RODI)

0.00 (-0.47; 0.47)

1.00

0.79 (0.48; 0.91)

Lower lip (RODI)

-0.18 (-0.80; 0.44)

0.43

0.51 (-0.19; 0.80)

Floor of the mouth (RODI)

0.00 (-0.56; 0.56)

0.85

0.51 (-0.22; 0.80)

Posterior tongue (RODI)

-0.18 (-0.77; 0.41)

0.37

0.65 (0.14; 0.85)

Anterior tongue (RODI)

0.32 (-0.12; 0.76)

0.19

0.79 (0.50; 0.91)

Pharynx (RODI)

-0.23 (-0.79; 0.34)

0.64

0.69 (0.26; 0.87)

Dry mouth (35)

1.52 (-6.99; 10.02)

0.69

0.88 (0.71; 0.95)

Sticky saliva (35)

-1.52 (-12.19; 9.16)

0.89

0.86 (0.66; 0.94)

Dry mouth and sticky saliva (43)

-3.79 (-12.89; 5.31)

0.39

0.81 (0.54; 0.92)

Dysphagia

EAT-10

1.59 (-0.45; 3.63)

0.20

0.93 (0.83; 0.97)

Swallowing problems (35)

-2.65 (-8.28; 2.98)

0.33

0.84 (0.63; 0.93)

Swallowing (43)

1.89 (-2.80; 6.59)

0.42

0.89 (0.73; 0.95)

Quality of life

Global health (30)

0.76 (-6.26; 7.78)

0.40

0.81 (0.54; 0.92)