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. Author manuscript; available in PMC: 2013 Sep 4.
Published in final edited form as: Dysphagia. 2010 Jul 11;26(3):218–224. doi: 10.1007/s00455-010-9289-x

Table 3.

Results of the pairwise comparisons (t tests) using aggregates for equality of means for the nonpenetrators versus penetrators

t df Sig. (2-tailed) Non-P–A mean P–A mean Mean difference Standard error
Preswallowing respiratory event Equal variances assumed 0.579 36 0.566 1.3420 1.2750 0.0669 0.1156
Post-swallowing respiratory event Equal variances assumed −2.253 36 0.030 1.0629 1.2306 −0.1677 0.0744
Swallowing apnea Equal variances assumed 1.963 33 0.058 1.4553 1.7565 0.3991 0.2033