Group A Group B P value
Mean SD (95% CI) MeanSD (95% CI)
U1SNL (°) -0.33 2.56 (-1.75; 1.08) -0.07 3.05 (-1.83; 1.69) 0.8 NS
U1 x (mm) -0.56 0.77 (-0.99; -0.13) -0.13 1.36 (-0.91; 0.66) 0.3 NS
U1 y (mm) -0.93 1.03 (-1.5; -0.36) 0.11 1.78 (-0.91;1.14) 0.06 NS

U1SNL = axial inclination of upper central incisor relative to Sella-nasion line;
U1 = upper central incisor tip;
NS = not statistically significant;
T1 = day 1 postoperatively;
T2 = 8 weeks postoperatively.