Table 1.

Comparison of Stress Scores, Symptom Severity, and Pulse Rates Between Real and Sham Stress

Parameters	Stress	Sham	P-valuea
Stress score	5.9 ± 2.6	2.4 ± 0.9	< 0.001
Heartburn	0.2 ± 0.4	0	0.168
Regurgitation	0	0	NS
Nausea	2.7 ± 2.3	0.4 ± 0.5	0.003
Epigastric pain	0.7 ± 0.9	0.6 ± 0.8	0.343
Epigastric burning	0.7 ± 0.8	0.5 ± 0.7	0.168
Pulse rates (/min)	88.8 ± 9.8	77.2 ± 7.3	< 0.001

^aPaired t test between real and sham stress.

Values are presented as mean ± standard deviation.