7. Needle-free jet Injector-assisted triamcinolone treatment of keloids and hypertrophic scars is effective and well tolerated in children. 193 7. GAIS N (%) Exceptional improved Very improved Improved Unaltered Worsened . 3 (27%) 8 (73%) . . Table 2 Clinical improvement assessment using POSAS and GAIS * Median in differences is the median change of paired observations before and after treatment GAIS: Global Aesthetic Improvement Scale POSAS: Patient and Observer Scar Assessment Scale 2.0 Baseline (n=11) Follow-up compared to baseline (n=11) Median (Q1 – Q3) Median in differencea (Q1 - Q3) P-value Total POSAS Observer scale Subcategories Vascularity Pigmentation Thickness Relief Pliability Surface area Overall assessment 38.0 (30.5 – 40.5) 5.0 (5.0 – 7.0) 4.0 (2.0 – 6.0) 6.0 (5.0 – 8.5) 7.0 (4.5 – 8.0) 6.0 (5.0 – 8.0) 7.0 (5.0 – 8.0) 7.0 (5.5 – 8.0) -11.0 (-13.5 – -7.5) -1.0 (-2.5 – -0.5) 0.0 (-2.0 – 0.0) -2.0 (-2.5 – -2.0) -2.0 (-2.0 – -1.0) -2.0 (-3.0 – -1.5) -2.0 (-2.5 – -1.0) -2.0 (-3.0 – -1.0) 0.005 0.011 0.453 0.018 0.052 0.010 0.018 0.005 Total POSAS Patient scale Subcategories Pain Itching Color Stiffness Thickness Irregularity Overall opinion 43.0 (38.0 – 47.0) 5.0 (2.0 – 5.0) 7.0 (4.5 – 8.0) 9.0 (6.0 – 10.0) 7.0 (5.5 – 8.0) 8.0 (8.0 – 9.0) 9.0 (8.0 – 9.0) 8.0 (7.0 – 9.0) -10.0 (-20.0 – -5.0) -1.0 (-3.0 – 0.0) -1.0 (-2.5– 0.0) -1.0 (-2.5 – -0.5) -1.0 (-3.0 – 0.0) -2.0 (-3.5 – -2.0) -3.0 (-4.0 – -1.0 -1.0 (-3.5 – 0.0) 0.009 0.135 0.038 0.005 0.028 0.003 0.006 0.007
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