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Table 2 Descriptive statistics of posture and back parameters at T1, T2 and their respective changes from T1 to T2

From: Relationship between back posture and early orthodontic treatment in children

Posture/back parameter n M SD MD 95% CI (low – high) Min Max
kyphotic angle in ° at T1 54 42.89 0.94 42.5 40.0–45.0 28.0 61.0
kyphotic angle in ° at T2 54 42.2 0.79 42.0 41.0–45.0 27.0 54.0
kyphotic angle change in ° from T1 to T2 54 −0.69 0.79 −1.0 − 1.0 – 3.0 −13.0 14.0
lordotic angle in ° at T1 54 35.69 1.03 35.0 32.0–39.0 23.0 48.0
lordotic angle in ° at T2 54 34.17 1.06 33.0 31.0–37.0 19.0 54.0
lordotic angle change in ° from T1 to T2 54 −1.52 0.98 −1.0 −4.0 – 1.0 −19.0 12.0
pelvic tilt in mm at T1 54 3.17 0.39 3.0 3.0–6.0 0.0 15.0
pelvic tilt in mm at T2 54 3.65 0.44 3.0 3.0–6.0 0.0 15.0
pelvic tilt change in mm from T1 to T2 54 −0.74 0.76 0.0 0.0–3.0 −27.0 12.0
pelvic torsion at T1 in ° 54 2.46 0.25 2.0 2.0–3.0 0.0 7.0
pelvic torsion at T2 in ° 54 2.44 0.23 2.0 2.0–3.0 0.0 6.0
pelvic torsion change in ° from T1 to T2 54 −1.28 0.44 −1.0 −1.0 – 0.0 −11.0 5.0
trunk imbalance in mm at T1 54 6.8 0.86 5.5 3.0–8.0 0.0 32.0
trunk imbalance in mm at T2 54 5.67 0.54 5.0 4.0–7.0 0.0 22.0
trunk imbalance change in mm from T1 to T2 54 −4.91 1.25 −4.5 −8.0 – −1.0 −39.0 17.0
max surface rotation at T1 in ° 54 5.52 0.6 5.0 3.0–7.0 0.0 16.0
max surface rotation at T2 in ° 54 5.59 0.6 5.0 3.0–7.0 0.0 14
max surface rotation change in ° from T1 to T2 54 −0.41 0.9 0.0 −2.0 – 2.0 −18.0 12.0
min surface rotation in ° at T1 54 5.46 0.67 4.0 3.0–6.0 0.0 25.0
min surface rotation in ° at T2 54 5.31 0.63 4.5 3.0–6.0 0.0 22.0
min surface rotation change in ° from T1 to T2 54 −1.07 0.66 −1.0 −2.0 – 2.0 −15.0 10.0
  1. M arithmetic mean, SD standard deviation, MD Median, CI confidence interval, Min Miniumum, Max Maximum
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