30 Chapter 2 Table 2.4 | Within-group comparison of the patient related outcome measures, specifically the OHIP-49NL, denture complaints questionnaire and chewing ability before treatment and 1 and 5 years after treatment. Solitary attachment group Bar attachment group Pre- treatment After 1 year Comparison Pre- treatment – After 1 year After 5 years Comparison Pre- treatment – After 5 years Pre- treatment After 1-year Comparison Pre- treatment – After 1 year After 5-year Comparison Pre- treatment – After 5 years Functional limitation [IQR] (max. 36) 17 [12.5-23] 9 [3-17] p = 0.002** 7.5 [5-12.75] p <0.001*** 19 [11.5-23.25] 6 [2-8.5] p <0.001*** 4 [0.75-11.25] p <0.001*** Physical pain [IQR] (max. 36) 17 [10-23] 3.5 [0.25-10.5] p <0.001*** 4 [1-11] p <0.001*** 19 [10.75-23] 2 [0-6.75] p <0.001*** 1 [0-10] p <0.001*** Psychological discomfort [IQR] (max. 20) 10 [8-16] 4 [0-9] p = 0.001** 1 [0-8] p <0.001*** 8.5 [2-14] 1 [0-6.5] p = 0.002** 0 [0.3.25] p <0.001*** Physical disability [IQR] (max. 36) 17 [9-26.5] 4.5 [1-10] p <0.001*** 3.5 [0.25-8.5] p = 0.001** 16 [9-21.5] 1 [0-6] p <0.001*** 1.5 [0-6.75] p <0.001*** Psychological disability [IQR] (max. 24) 6 [3-15] 1.5 [0-4] p = 0.002** 1 [0-5.5] p = 0.016* 7 [0.75-13] 0 [0-2] p <0.001*** 0 [0-2.5] p = 0.001** Social disability [IQR] (max. 20) 6 [1.5-13.5] 0 [0-2.75] p = 0.006** 0 [0-1.75] p = 0.002** 4 [0.75-8.25] 0 [0-0.5] p = 0.001** 0 [0-0.25] p = 0.004** Handicap [IQR] (max. 24) 8 [3-11] 1 [0-3.75] p = 0.001** 0 [0-2.75] p <0.001*** 3.5 [1.75-9] 0 [0-0] p <0.001*** 0 [0-2] p = 0.002** Total OHIP-NL49 score [IQR] (max. 196) 77 [59.5-120.5] 26.0 [9.0-61.0] p <0.001*** 21.0 [8.0-46.0] p <0.001*** 84 [52-105.5] 12.5 [3-36.5] p <0.001*** 8 [2-43.5] p <0.001*** Functional complaints upper denture [IQR] (max. 27) 13 [8.75-23] 2 [0-4] p <0.001*** 2 [1-4] p <0.001*** 15.5 [8.75-19.25] 1.06 [1-2] p <0.001*** 1[0-4] p <0.001*** [continued on next page]
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