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[{"$nulls":3},"Table1. Demographic and Clinical Characteristics of Study Patients"]
[{"$nulls":3},"LA-A/B(n=54)","LA-C/D(n=40)","NERD(n=52)","BE(n=31)","FH(n=52)","P"]
[null,null,"Age(year)","53.2±13.1","61.5(46-66.8)","55.7±14.2","52.9±12.7","52.9±8.6",{"v":0.45,"d":"0.450"}]
[null,null,"Gender(Male)","29/54","15/40","24/52","14/31","27/52",0.912]
[null,null,"Height(cm)","167.8±9.1","164.8±7.9","168.6±7.7","171.0(160.0-174.0)","164.0(160.3-168.0)",0.078]
[null,null,"BMI (kg/m2 )","25.5(21.3-27.9)","24.1±3.9","24.0(23.1-26.7)","24.3(20.8-26.9)","23.8(21.3-25.5)",0.341]
[null,null,"IEM","20.4%(11/54)","45.0%(18/40)","21.2%(11/52)","22.6%(7/31)","0%(0/52)","≤0.001"]
[null,null,"Absent Contractility","5.6%(3/54)","22.5%(9/40)","11.5%(6/52)","6.5%(2/31)","0%(0/52)",0.003]
[null,null,"Type III EGJ","20.4%(11/54)","32.5%(13/40)","21.2%(11/52)","19.4%(6/31)","0%(0/52)","≤0.001"]
[null,null,"Hypotensive EGJ-CI","42.6%(23/54)","50.0%(20/40)","44.2%(23/52)","38.7%(12/31)","0%(0/52)","≤0.001"]
[null,null,"LES Length(cm)","2.6(2.4-3.4)","2.8±0.9","2.5±0.6","2.5(2.3-3.5)","2.7±0.8",0.359]
[null,null,"LES RP(mmHg)","16.0(8.0-21.3)","11.3±6.2","13.0(8.0-20.5)","14.4±7.9","16.5(13.0-24.5)","≤0.001"]
[null,null,"IRP(mmHg)","4.8±5.3","0.7(-0.5-3.0)","3.0(1.0-8.0)","4.6±5.1","4.6(2.4-8.5)","≤0.001"]
[null,null,"Data are expressed as median (interquartile range) or mean±standard deviation. P: LA-AB vs LA-CD vs NERD vs BE vs FH.\nLA A/B: Los Angeles Grade A or B; LA C/D: Los Angeles Grade C or D; NERD: non-erosive reflux disease; BE: Barrett's esophagus; FH:functional heartburn; BMI: Body Mass Index; IEM: Ineffective esophageal motility; EGJ: esophagogastric junction; EGJ-CI: EGJ\ncontractile integral; LES: lower esophageal sphincter pressure; LES RP: LES resting pressure; IRP: integrated relaxation pressure."]