84 Chapter 5 Table 5.2 | 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†,** *= p < 0.05, **= p<0.01, §Paired-Samples T-test, †Wilcoxon Matched Pairs Signed Ranks test, Q1-Q3: interquartile range; max. = maximal score.
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