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Table. 5.

Assessment of the heterogeneity and publication bias (Egger’s test) for skeletal, alveolar molar width (AMW), and dental expansion

Group Parameter n/N Heterogeneity test Egger’s regression intercept
Q-value p-value I2 Intercept SE p-value(2-tailed)
Skeletal expansion ZMW 4/132 97.241 0.000 96.915 5.929 11.815 0.666
NW 9/202 33.382 0.000 76.035 0.872 2.569 0.744
J-J 5/129 103.526 0.000 96.136 −0.689 6.924 0.927
PNS 5/91 39.477 0.000 89.868 0.337 3.467 0.929
ANS 5/91 26.285 0.000 84.782 −2.116 2.192 0.406
Alveolar expansion AMW 4/71 85.575 0.000 96.494 6.114 7.562 0.504
Dental expansion ICW 3/50 34.807 0.000 94.254 5.539 10.361 0.344
IPMW 5/131 14.460 0.000 72.337 −4.236 2.207 0.151
IMW 9/173 46.970 0.000 82.968 −2.526 1.880 0.221

SE, standard error; ZMW, zygomatic width; NW, nasal width; J-J, jugular width; PNS, midpalatal suture at the posterior nasal spine; ANS, midpalatal suture at the anterior nasal spine; ICW, inter-canine width; IPMW, inter-premolar width; IMW, inter-molar width.

Korean J Orthod 2022;52:182~200 https://doi.org/10.4041/kjod21.256
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