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Table 9 Results of Spearman’s correlation analysis for Caucasian samples

From: Cephalometric norms for the upper airway of 12-year-old Chinese children

Variables   Soft palate   Depth of the upper airway Position of the hyoid bone
   PM-U   SPT   NL/PM-U   PM-UPW   U-MPW   V-LPW   PASmin AH-FH   AH-CV  
SNA (°) Coefficient -0.010   0.111   0.001   0.178   -0.088   0.040   -0.075 -0.068   0.033  
  P value 0.919   0.252   0.991   0.066   0.365   0.684   0.439 0.484   0.738  
SNB (°) Coefficient -0.064   0.223 * -0.106   0.119   -0.098   -0.009   -0.099 -0.032   0.081  
  P value 0.508   0.021   0.276   0.221   0.311   0.925   0.308 0.742   0.404  
ANB (°) Coefficient 0.135   -0.134   0.252 ** 0.200 * -0.069   0.064   -0.005 -0.093   -0.029  
  P value 0.162   0.166   0.008   0.038   0.476   0.510   0.958 0.337   0.769  
MnPl/SN (°) Coefficient 0.026   -0.057   0.103   -0.137   0.145   -0.027   0.065 0.117   -0.043  
  P value 0.788   0.557   0.291   0.157   0.133   0.781   0.506 0.229   0.657  
MxPl/MnPl (°) Coefficient -0.022   -0.105   0.236 * 0.019   0.104   -0.055   -0.064 0.204 * -0.100  
  P value 0.824   0.281   0.014   0.842   0.285   0.573   0.510 0.034   0.302  
MxMn-DF (mm) Coefficient 0.050   0.274 ** -0.079   -0.065   0.094   -0.052   0.023 0.423 ** 0.153  
  P value 0.609   0.004   0.417   0.502   0.332   0.592   0.813 0.000   0.113  
TAFH (mm) Coefficient 0.240 * 0.180   0.120   0.041   0.086   0.217 * 0.188 0.444 ** 0.302 **
  P value 0.012   0.063   0.215   0.673   0.373   0.024   0.051 0.000   0.001  
TPFH (mm) Coefficient 0.257 ** 0.269 ** -0.082   0.062   -0.081   0.271 ** 0.152 0.348 ** 0.291 **
  P value 0.007   0.005   0.397   0.521   0.402   0.005   0.117 0.000   0.002  
Y axis/FH (°) Coefficient 0.188   -0.139   0.003   -0.141   -0.115   0.083   -0.030 0.178   -0.079  
  P value 0.051   0.153   0.978   0.147   0.236   0.395   0.757 0.065   0.415  
Overjet (mm) Coefficient -0.053   -0.199 * 0.140   0.037   -0.057   -0.050   -0.165 0.096   0.033  
  P value 0.583   0.039   0.150   0.701   0.560   0.608   0.087 0.322   0.736  
Overbite (mm) Coefficient 0.063   -0.034   0.117   0.120   -0.154   -0.076   -0.206 -0.064   -0.150  
  P value 0.519   0.729   0.229   0.215   0.112   0.436   0.033 0.510   0.120  
OPT-SN (°) Coefficient 0.199 * -0.239 * 0.417 ** 0.038   0.302 ** 0.353 ** 0.404 0.201 * 0.326 **
  P value 0.039   0.013   0.000   0.693   0.001   0.000   0.000 0.037   0.001  
c2sp-c4ip-SN (°) Coefficient 0.213 * -0.209 * 0.376 ** 0.013   0.253 ** 0.336 ** 0.360 0.202 * 0.278 **
  P value 0.027   0.030   0.000   0.892   0.008   0.000   0.000 0.036   0.004  
Body length (mm) Coefficient -0.079   0.073   0.206 * 0.318 ** 0.280 ** 0.136   0.212 0.210 * 0.235 *
  P value 0.414   0.451   0.033   0.001   0.003   0.159   0.028 0.029   0.014  
  1. *Correlation is significant at the 0.05 level.
  2. **Correlation is significant at the 0.01 level.
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Head & Face Medicine

ISSN: 1746-160X

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