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Table 1.

Resting intraesophageal and peak peristaltic wave pressures

Port 1 (proximal)
Port 2
Port 3
Port 4 (distal)
AlligatorPeakRestingPeakRestingPeakRestingPeakResting
46.0 1.6 41.3 1.5 32.0 2.0 12.7 1.3 
29.3 1.3 30.7 1.3 40.0 1.3 32.7 1.3 
26.7 1.3 25.3 0.3 25.3 1.3 25.3 1.3 
12.0 2.7 12.7 2.2 15.3 2.7 10.7 2.7 
12.7 2.0 12.0 1.1 11.3 2.0 15.3 2.0 
Means ± s.e.m25.3±6.3 1.8±0.3 24.4±5.6 1.3±0.3 24.8±5.3 1.9±0.2 19.3±4.2 1.7±0.3 
Port 1 (proximal)
Port 2
Port 3
Port 4 (distal)
AlligatorPeakRestingPeakRestingPeakRestingPeakResting
46.0 1.6 41.3 1.5 32.0 2.0 12.7 1.3 
29.3 1.3 30.7 1.3 40.0 1.3 32.7 1.3 
26.7 1.3 25.3 0.3 25.3 1.3 25.3 1.3 
12.0 2.7 12.7 2.2 15.3 2.7 10.7 2.7 
12.7 2.0 12.0 1.1 11.3 2.0 15.3 2.0 
Means ± s.e.m25.3±6.3 1.8±0.3 24.4±5.6 1.3±0.3 24.8±5.3 1.9±0.2 19.3±4.2 1.7±0.3 

Pressures (kPa) were recorded with a water perfusion system. The probe was placed in the esophagus. It contained four ports spaced at 4 cm intervals along the length of the probe.

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