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Chapter 12310Table 4. Effect of physiotherapy on the primary outcome variable (Maximal Mouth Opening)Study (year) Study population Primary outcome variable (MMO) Mean increase in MMO AnalysisAustin & Shupe (1993) (12) Control group: 22 female, 4 maleMMO ≥40 mm by 8 weeks: n = 3 8.5 ±4.45 mm Increase MMO:χ² = 23.0874; df= 1; P = .0004 Mean MMO: t(48) = 1.99383, P = .0259 Treatment group: 23 female, 1 maleMMO ≥40 mm by 8 weeks: n = 20 11.04 ±4.56 mmBraun (1987) (13) Control group: 29 female MMO ≤ 35 mm after1 year: n = 8MMO 35-39 mm after 1 year: n = 6MMO ≥40 mm after 1 year: n = 15Mean MMO after 1 year: 39 mm8.8 mmIncrease MMO with initial MMO≤30mm: control group χ² = 1.0 ( P > .05)Increase MMO with initial MMO≤30mm treatment group: χ² = 6.2 ( P < .05)Mean MMO: Independent t test: significantly larger increase in treatment group (P = ?) Treatment group: 25 female, 4 maleMMO ≤ 35mm after 1 year: n = 4MMO 35-39mm after 1 year: n = 13MMO ≥40mm after 1 year: n = 12Mean MMO after 1 year: 38.9 mm11.8 mmCapan et al. (2017) (14) Control group: 15 female; mean age: 32.2 ± 6.0 yearsMean MMO by 8 weeks: 27.6 ±3.0 mm9.56 mmIndependent t test: P = .001 Treatment group: 15 female, 1 male; mean age: 31 ± 5.9 yearsMean MMO by 8 weeks: 32.8 ±1.6 mm5 mmAbbreviations: MMO: maximal mouth openingTable 5. Effect of physiotherapy on the secondary outcome variables (Laterotrusion and the Visual Analog Scale pain score)Study (year) Study population Secondary outcome variable AnalysisAustin & Shupe (1993)12 Control group: 22 female, 4 male Laterotrusion ≥ 8 mm by 8 weeks: n = 13Independent χ² test:χ² = 2.33460; df= 1; P = .1265 Treatment group: 23 female, 1 male Laterotrusion ≥ 8 mm by 8 weeks: n = 18Capan et al. (2017)14 Control group: 15 female; mean age: 32.2 ± 6.0 years Mean laterotrusion (L) by 8 weeks: 4.7 ±0.8 mmMean laterotrusion (R) by 8 weeks: 4.8 ±0.9 mmMean pain at rest (VAS) after 8 weeks: 1.6 ±1.2Mean pain with activity (VAS) after 8 weeks: 3.4 ±0.9Independent t test: P = .241 Independent t test: P = .462 Mann-Whitney U test: P = .017 Mann-Whitney U test: P = .004 Treatment group: 15 female, 1 male; mean age: 31 ± 5.9 years Mean laterotrusion (L) by 8 weeks: 2.8 ± 0.8 mmMean laterotrusion (R) by 8 weeks: 5.2 ± 1.0 mmMean pain at rest (VAS) after 8 weeks: 0.8 ±1.1Mean pain with activity (VAS) after 8 weeks: 1.6 ±1.3Oh et al. (2002)7 Control group: 19 female, 3 male; mean age: 22.95 years Mean pain (VAS) 6 weeks after surgery: 29.09 ±4.37Mean pain (VAS) 7 months after surgery: 16.36 ±8.38Independent t test: P = .80 Independent t test: P = .05Treatment group: 20 female, 2 male; mean age: 22.09 years Mean pain (VAS) 6 weeks after surgery: 28.50 ±9.67Mean pain (VAS) 7 months after surgery: 11.77 ±6.44Abbreviations: VAS: Visual Analog ScaleNikolas de Meurechy NW.indd 310 05-06-2024 10:15