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. Author manuscript; available in PMC: 2012 Oct 11.
Published in final edited form as: Laryngoscope. 2010 Dec;120(12):2367–2373. doi: 10.1002/lary.21150

Table 1.

Summary data for the velopharynx. Pmax = maximum velopharyngeal pressure; r = correlation coefficient. Correlation coefficients (r) and p-values are provided for Pearson product moment tests.

Variable 1 ml 5 ml 10 ml 20 ml r p-value
Pmax (mmHg) 127 ± 29 154 ± 42 153 ± 50 174 ± 66 0.251 0.0855
Rise time (s) 0.188 ± 0.075 0.168 ± 0.064 0.197 ± 0.076 0.243 ± 0.116 0.219 0.134
Rise rate (mmHg/s) 770 ± 322 943 ± 301 810 ± 250 760 ± 188 −0.0754 0.610
Duration (s) 0.827 ± 0.159 0.907 ± 0.208 0.923 ± 0.182 0.980 ± 0.182 0.256 0.0793