Table 3 Correlation (Spearman test) between oral transit time (OTT), pharyngeal transit time (PTT) and surface electromyography (EMG) in patients with Chagas’ disease (n = 29).

From: Suprahyoid Muscle Activity in Patients with Chagasic Megaesophagus

EMG

OTT – SL

OTT – SP

PTT–SL

PTT – SP

r

p value

r

p value

r

p value

r

p value

MVIC

0.087

0.650

−0.082

0.669

0.450

0.014*

0.370

0.047*

SL

−0.323

0.086

−0.219

0.252

0.172

0.369

0.185

0.335

SP

−0.033

0.864

−0.239

0.210

−0.145

0.450

0.006

0.971

  1. OTT: oral transit time; PTT: pharyngeal transit time; MVIC: maximal voluntary isometric contraction; SL: swallowing liquid; SP: swallowing paste; *p values < 0.05.
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