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Table 1 Absolute intra-group differences between T1 (week 14) and T2 (week 26) together with mean relative difference for each of the variables in each group evaluated.

From: Intra-articular vs. systemic administration of etanercept in antigen-induced arthritis in the temporomandibular joint. Part II: mandibular growth

Variable Group Absolute mean T1 value Absolute mean T2 value Absolute mean difference T2-T1 Relative mean difference from T1 to T2 (%) Standard deviation (%) Statistical significance for growth between T1 and T2
Angle 1 A 155.3 156.6 1.3 0.84 1.7 n.s.
  B 155.8 156.4 0.6 0.4 2.9 n.s.
  C 153.9 154.1 0.2 0.1 1.6 n.s.
Angle 2 A 136.1 133.8 -2.3 -1.7 2.2 *
  B 136.2 135.1 -1.1 -0.7 5.2 n.s.
  C 138.7 137.4 -1.3 -1 2.2 n.s.
Angle 3 A 108.3 109.3 1 0.9 1.2 *
  B 107.3 108.6 1.3 1.3 1.5 *
  C 108.3 109.6 1.3 1.2 1.3 *
Sagittal (mm)
TML A 61.5 66.6 5.1 8.3 2.1 *
(Cm-ImpB) B 60.7 65.8 5.1 8.4 1.9 *
  C 60.8 66.2 5.4 8.8 1.8 *
ML1 A 36.2 38.1 1.9 5 2.4 *
(Go-ImpB) B 36.5 38.2 1.7 4.6 2.5 *
  C 35.9 37.6 2 5 2.1 *
ML2 A 55.6 59.7 4.1 7.3 1.7 *
(Ar1-ImpB) B 55.3 59.0 3.7 7.2 2.2 *
  C 54.8 58.7 3.9 7.2 2.6 *
ML3 A 58.6 63.3 4.7 8 1.8 *
(Ar2-ImpB) B 58.6 63.1 4.5 7.7 0.9 *
  C 58.3 62.8 4.5 7.7 1.4 *
ID A 15.1 15.5 0.4 3 6.2 n.s.
(impA-impB) B 14.8 15.1 0.3 2.7 5.8 n.s.
  C 14.1 14.0 -0.1 -1.3 8.1 n.s.
Vertical (mm)
TPMH A 44.2 48.8 4.6 10.4 1.5 *
(CmR-GoR) B 43.3 47.9 4.6 10.8 1.9 *
  C 43.5 49.0 5.5 12.6 1.7 *
CMH1 A 21.4 23.7 2.3 10.7 1.1 *
(CmR-Ar1) B 21.1 23.2 2.1 9.9 3.5 *
  C 21.3 23.6 2.3 10.8 2.6 *
CMH2 A 22.3 24.3 2 8.9 2.0 *
(CmR-Ar2) B 22.2 24.3 2.1 9.4 2.9 *
  C 22.1 24.4 3.3 10.0 2.3 *
RH1 A 27.4 30.3 2.9 10.7 2.5 *
(Ar1-GoR) B 26.8 29.7 2.9 11.0 2.3 *
  C 26.8 29.9 3.1 11.6 3.5 *
RH2 A 29.5 32.9 3.4 11.9 3.4 *
(Ar2-GoR) B 28.9 32.5 3.6 12.3 2.5 *
  C 29.2 32.9 3.7 12.7 2.7 *
MBH1 A 12.5 13.8 1.3 10.4 13.9 *
(IncRIL) B 12.7 13.4 0.7 6.91 16.3 *
  C 12.3 13.6 1.3 12.1 12.4 *
MBH2 A 18.3 20.5 2.2 12.2 3.7 *
(MolRIL) B 17.9 19.8 1.9 11.1 2.9 *
  C 17.7 20.2 2.5 14.1 3.9 *
DAH A 7.5 8.2 0.7 8.9 10.6 *
(MolRML) B 7.3 7.9 0.6 8.8 14.4 n.s.
  C 7.7 8.7 1 12.6 8.4 *
ANH A 2.9 3.4 0.5 17.2 18.2 *
(IncRML) B 2.9 3.4 0.5 17.2 26.9 *
  C 2.6 2.9 0.3 11.5 35.3 *
Transverse (mm)
GD A 28.1 29.6 1.5 5.5 2.8 *
(GoR-GoL) B 29.0 30.1 1.1 3.9 2.0 *
  C 28.4 29.9 1.5 5.5 2.5 *
CD A 33.4 34.7 1.3 4.3 2.4 *
(CmR-CmL) B 32.5 33.9 1.4 4.5 2.2 *
  C 33.2 34.4 1.2 3.7 1.3 *
  1. *P < 0.05
  2. Angles (degrees)
  3. Groups: A) placebo, B) IA etanercept, C) systemic etanercept. See figures 3, 4 and 5 for a description of the variables.