Brief Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 21, 2010; 16(35): 4428-4435
Published online Sep 21, 2010. doi: 10.3748/wjg.v16.i35.4428
Figure 1
Figure 1 Comparison of two Kaplan-Meier curves in patients with and without signs of exercise-provoked esophageal spasm. EPES: Exercise-provoked esophageal spasm; EPES-: Patients, in whom the percentage of simultaneous contractions within the treadmill stress test did not exceed 55%; EPES+: Patients in whom the percentage of simultaneous contractions within the treadmill stress test exceeded 55%.