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. 2012 Jan 15;64(2):145–149. doi: 10.1007/s12070-012-0478-9

Table 3.

Multiple comparison of three frequency averages LFG–HFG, HFG–EHFG and EHFG–EHFG

Groups Mean difference SE P
LFG–HFG 6.777 0.8521 0.0001
HFG–EHFG 11.72 0.8521 0.0001
EHFG–EHFG 18.52 0.8521 0.0001

LFG low frequency average group, HFG high frequency average group, EHFG extended high frequency average group, SE standard error

* P < 0.05, ** P < 0.01, *** P < 0.001