Table 2.

Within-group comparison of masticatory performance and PROMs, before treatment (T0) and 12 months after treatment

	T0	T12	p value
Masticatory performance
Mean Mixing Ability Index (SD)	22.1 (2.5)	18.7 (2.4)	0.002§,**
Chewing ability questionnaire
Median total food chewing score [Q1–Q3] (max. 18)	12.5 [12;13.75]	4 [2.25;10]	0.005†,**
Median Soft foods score [Q1–Q3] (max. 6)	2 [1;3]	0 [0;0.75]	0.011†,*
Median tough foods score [Q1–Q3] (max. 6)	5 [4;6]	0.5 [0;3.5]	0.008†,**
Median hard foods score [Q1–Q3] (max. 6)	6 [5.25;6]	4 [2;5]	0.007†,**
Denture complaints questionnaire
Median functional complaints upper denture [Q1–Q3] (max. 27)	16 [14–21]	2 [0–6]	0.003†,**
Median Functional complaints in general [Q1–Q3] (max. 54)	22 [17–31]	1 [0–3]	0.003†,**
Median Facial aesthetics [Q1–Q3] (max. 9)	0 [2–4]	3 [3–9]	0.092†
Median “Neutral Space” [Q1–Q3] (max. 9)	1 [1–3]	1 [0–2]	0.058†
Median Aesthetics [Q1–Q3] (max. 36)	0 [2–9]	0 [0–1]	0.028†,*
Median General satisfaction score upper denture [Q1–Q3]	3 [1–4]	8 [6–9]	0.003†,**
Oral health impact profile-NL49
Median Functional limitation [Q1–Q3] (max. 36)	20.5 [18–26.5]	4 [0.8–8.8]	0.002†,**
Median Physical pain [Q1–Q3] (max. 36)	16.5 [14.25–22.25]	8 [4.5–11.5]	0.003†,**
Median psychological discomfort [Q1–Q3] (max. 20)	14.0 [7.75–18.25]	4.5 [2.3–8.3]	0.002†,**
Median physical disability [Q1–Q3] (max. 36)	19.5 [15.5–22.75]	3.5 [2.3–9.3]	0.002†,**
Median psychological disability [Q1–Q3] (max. 24)	11.0 [5.8–16.5]	2.5 [0–8]	0.002†,**
Median social disability [Q1–Q3] (max. 20)	8 [0.3–10.8]	2 [1–5.8]	0.044†,*
Median handicap [Q1–Q3] (max. 24)	6.5 [1.5–11.8]	3 [0–4.8]	0.011†,*
Median total OHIP-NL49 score [Q1–Q3] (max. 196)	71.5 [58.5–105]	16.5 [9.3–48.3]	0.002†,**

Q1–Q3: interquartile range; max. = maximal score

*p < 0.05, **p < 0.01, ^§Paired-Samples T test, ^†Wilcoxon Matched Pairs Signed Ranks test