Table 6 Equivalence analysis between PROM and ePROM (N = 24)

Xerostomia

The XI

36.21 (9.05)

33.00 (8.20)

1.27; 5.15

0.0034

< 0.001

VAS

6.71 (2.66)

6.75 (2.45)

-0.53; 0.45

< 0.001

< 0.001

Upper lip (RODI)

2.21 (1.25)

2.21 (1.18)

-0.31; 0.31

< 0.001

< 0.001

Anterior palate (RODI)

2.33 (1.24)

2.29 (1.08)

-0.34; 0.43

< 0.001

< 0.001

Inside cheeks (RODI)

2.33 (1.20)

2.00 (0.98)

-0.01; 0.65

< 0.001

< 0.001

Posterior palate (RODI)

3.21 (1.28)

2.88 (1.26)

-0.05; 0.72

< 0.001

< 0.001

Lower lip (RODI)

2.75 (1.26)

2.42 (1.18)

-0.03; 0.70

< 0.001

< 0.001

Floor of the mouth (RODI)

2.42 (1.14)

2.38 (1.06)

-0.32; 0.40

< 0.001

< 0.001

Posterior tongue (RODI)

2.79 (1.41)

2.75 (1.26)

-0.36; 0.44

< 0.001

< 0.001

Anterior tongue (RODI)

2.92 (1.35)

2.54 (1.10)

-0.10; 0.85

0.0064

< 0.001

Pharynx (RODI)

3.08 (1.38)

2.83 (1.43)

-0.13; 0.63

< 0.001

< 0.001

Dry mouth (35)

61.11 (33.57)

29.72 (29.46)

-9.96; 12.74

0.007

0.002

Sticky saliva (35)

50.00 (35.44)

48.61 (35.41)

-8.33; 11.11

0.004

< 0.001

Dry mouth and sticky saliva (43)

59.72 (30.26)

56.95 (26.43)

-5.17; 10.73

0.036

0.002

Dysphagia

EAT-10

13.25 (9.50)

11.25 (7.93)

0.28; 3.72

0.120

< 0.001

Swallowing problems (35)

21.87 (17.69)

22.22 (16.97)

-5.04; 4.35

< 0.001

< 0.001

Swallowing (43)

20.83 (17.72)

19.79 (14.71)

-1.76; 3.85

< 0.001

< 0.001

Quality of life

Global health (30)

68.75 (18.07)

65.97 (20.98)

-1.70; 7.26

0.118

< 0.001