Clinical Research
Copyright ©2007 Baishideng Publishing Group Inc.
World J Gastroenterol. Oct 21, 2007; 13(39): 5245-5252
Published online Oct 21, 2007. doi: 10.3748/wjg.v13.i39.5245
Table 1 Demographic and TCEUS findings in groups divided according to pH monitoring (mean ± SD)
Group A (n = 20)Group B (n = 6)Group C (n = 6)Group D (n = 8)Group E (n = 13)Group F (n = 5)Group B + D (n = 14)Group E + F (n = 18)Group A + F (n = 25)P
Age (yr)43.4 ± 12.040.0 ± 11.447.8 ± 12.742.6 ± 12.543.17 ± 9.637.2 ± 18.841.5 ± 11.740.5 ± 10.742.3 ± 13.7NS
(24-72)(24-58)(38-72)(25-62)(25-65)(15-64)(24-629(16-65)(15-72)
Sex (F/M)8/123/31/54/411/25/07/72/1612/13NS
n (%)(40/60)(50/50)(16.7/83.3)(50/50)(84.6/5.4)(100/0)(50/50)(88.9/11.1)(52/48)
BMI (kg/m2)27.4 ± 4.527.4 ± 4.427.4 ± 4.427.9 ± 5.627.7 ± 4.624.9 ± 2.127.7 ± 4.926.9 ± 4.2426.9 ± 4.3NS
(19.6-37.4)(19.6-32)(19.6-32)(20.6-37.5)(17.6 ± 35.0)(22.7-27.4)(19.6-37.4)(17.6-35.0)(19.6-37.5)
ED (mm)9.4 ± 1.49.7 ± 0.99.1 ± 1.69.6 ± 1.718.54 ± 1.8210.6 ± 1.39.6 ± 1.49.1 ± 1.99.7 ± 1.5NS
(6.1-12.1)(8.2-10.8)(8.0-12.0)(6.1-11.4)(5.5-11.1)(8.8-12.4)(6.2-11.4)(5.5-12.4)(6.1-12.4)
ELD (mm)5.0 ± 1.25.1 ± 1.14.6 ± 1.65.2 ± 1.183.9 ± 1.45.3 ± 1.75.16 ± 1.104.3 ± 1.65.0 ± 1.30.023a
(3.0-7.7)(3.00-6.00)(3.4-7.7)(3.0-6.4)(1.5-6.2)(3.4-7.9)(3.0-6.4)(1.5-7.9)(3.0-7.9)
Esophageal2.2 ± 0.22.3 ± 1.22.2 ± 0.12.1 ± 0.32.3 ± 0.32.6 ± 0.72.2 ± 0.32.4 ± 0.502.3 ± 0.4NS
WT (mm)(1.5-2.6)(2.2-2.6)(2.0-2.3)(1.5-2.5)(2.0-3.3)(2.2-4.0)(1.6-2.6)(2.0-4.0)(1.6-4.0)
DeMeester19.5 ± 12.17.9 ± 3.124.3 ± 14.424.5 ± 9.16.4 ± 4.77.5 ± 4.917.4 ± 10.96.7 ± 4.717.7 ± 11.8NS
score(1.7-46.2)(4.6-13.2)(1.7-46.2)(14.4-38.9)(0.8-14.7)(1.4-17.3)(4.6-38.9)(0.8-14.7)(1.4-46.2)
Table 2 Demographic and TCEUS findings of the groups divided according to esophageal manometry (mean ± SD)
Normal (n = 24)IEM (n = 5)Hypo LES (n = 7)Hyper LES (n = 2)Total patients (n = 38)P
Age (yr)40.1 ± 11.4 (15-64)50.6 ± 11.9 (39-65)48.9 ± 11.3 (38-72)29.0 ± 4.3 (26-32)42.5 ± 12.2 (15.0-72.0)NS
Sex (F/M), n (%)8/16 (66.7%/33.3%)4/1 (80%/20%)2/5 (28.6%/71.4%)2/0 (100%/0%)24/14 (63.2%/36.8%)NS
BMI (kg/m2)26.7 ± 4.6 (17.6-375)26.7 ± 4.1 (20.6-31.1)29.58 ± 3.93 (23.1-35.0)25.4 ± 2.7 (23.4-27.3)27.2 ± 4.3 (17.6-37.4)NS
ED (mm)9.1 ± 1.59 (6.0-12.4)9.5 ± 2.3 (5.5-11.4)9.8 ± 1.7 (7.5-12.1)9.6 ± 1.1 (8.9-10.4)9.3 ± 1.7 (5.5-12.4)NS
ELD (mm)4.5 ± 1.3 (2.0-7.9)4.7 ± 1.9 (1.5-6.4)5.1 ± 1.7 (3.1-7.7)4.7 ± 0.9 (4.1-5.4)4.68 ± 1.43 (1.5-7.9)NS
Esophageal WT (mm)2.2 ± 0.4 (1.6-4.0)2.4 ± 2.2 (2.0-2.6)2.3 ± 0.4 (2.0-3.3)2.35 ± 0.2 (2.2-2.5)2.3 ± 0.4 (1.6-4.0)NS
Table 3 Symptoms of patients according to esophageal monitoring n (%)
Group A (n = 20)Group E (n = 13)Group B + D (n = 14)Group E + F (n = 18)
Extra-esophageal symptom12 (60.0)7 (53.8)9 (64.3)12 (66.6)
Cough6 (30.0)6 (46.2)4 (28.5)8 (44.4)
Hoarseness5 (25)3 (23.1)4 (28.6)4 (22.2)
Nocturnal wake-up with reflux10 (50)5 (38.5)8 (57.1)9 (50.0)
Typical symptom20 (100)12 (92.3)14 (100.0)17 (94.4)
Heartburn18 (90)12 (92.3)12 (85.7)17 (94.4)
Regurgitation15 (75)10 (76.9)12 (85.7)13 (72.2)
Table 4 Distribution of patients according to 24-h pH monitoring and manometric findings n (%)
Manometric findings (abnormal)Manometric findings (normal)
24-h pH monitoring (Acid reflux)7 (18.4)13 (34.3)
24-h pH monitoring (No acid reflux)7 (18.4)11 (28.9)
Table 5 24-h pH monitoring and esophageal manometry results
24-h pH monitoringIEM (n = 5)Hypo LES (n = 7)Hyper LES (n = 2)Normal manometry (n = 24)
PR + DR224
PR6
DR33
Reflux negatives3217
HSE14
Table 6 Cut-off values for esophageal luminal diameter (ELD) to determine acid reflux
Between groupsCut off (mm)AUCPSensitivity (%)Specificity (%)
Group B + D (total PR) (n = 14)/Group E (reflux negative) (n = 13)4.830.7750.015a7961
Group B + D (total PR) (n = 14)/Group E + F (reflux negative with HSE) (n = 18)4.950.7080.0467177
Group A (n = 20)/Group E (reflux negative) (n = 13)4.950.7210.0346077